Home / 1,404,364.81-2,106,547.55-339,406.75

Finding the Fourth Proportional to 1,404,364.81, 2,106,547.55 and 339,406.75

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Solution

The fourth proportional to 1,404,364.81, 2,106,547.55 and 339,406.75 is: 509,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,364.81 : 2,106,547.55 = 339,406.75 : x
  2. Step 2: Convert to fraction form
    1,404,364.81/2,106,547.55 = 339,406.75/x
  3. Step 3: Cross multiply
    1,404,364.81x = 2,106,547.55 × 339,406.75
  4. Step 4: Simplify right side
    1,404,364.81x = 714,976,450,702.56
  5. Step 5: Solve for x
    x = 714,976,450,702.56/1,404,364.81
  6. Step 6: Final answer
    x = 509,110.20

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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.