Home / 1,100,448.90-1,650,673.35-680,544.90

Finding the Fourth Proportional to 1,100,448.90, 1,650,673.35 and 680,544.90

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Solution

The fourth proportional to 1,100,448.90, 1,650,673.35 and 680,544.90 is: 1,020,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,448.90 : 1,650,673.35 = 680,544.90 : x
  2. Step 2: Convert to fraction form
    1,100,448.90/1,650,673.35 = 680,544.90/x
  3. Step 3: Cross multiply
    1,100,448.90x = 1,650,673.35 × 680,544.90
  4. Step 4: Simplify right side
    1,100,448.90x = 1,123,357,329,908.42
  5. Step 5: Solve for x
    x = 1,123,357,329,908.42/1,100,448.90
  6. Step 6: Final answer
    x = 1,020,817.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.