Home / 1,123,833.80-1,685,750.70-450,019.10

Finding the Fourth Proportional to 1,123,833.80, 1,685,750.70 and 450,019.10

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Solution

The fourth proportional to 1,123,833.80, 1,685,750.70 and 450,019.10 is: 675,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,833.80 : 1,685,750.70 = 450,019.10 : x
  2. Step 2: Convert to fraction form
    1,123,833.80/1,685,750.70 = 450,019.10/x
  3. Step 3: Cross multiply
    1,123,833.80x = 1,685,750.70 × 450,019.10
  4. Step 4: Simplify right side
    1,123,833.80x = 758,620,012,838.37
  5. Step 5: Solve for x
    x = 758,620,012,838.37/1,123,833.80
  6. Step 6: Final answer
    x = 675,028.65

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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.