Home / 1,587,938.04-2,380,568.13-688,702.50

Finding the Fourth Proportional to 1,587,938.04, 2,380,568.13 and 688,702.50

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Solution

The fourth proportional to 1,587,938.04, 2,380,568.13 and 688,702.50 is: 1,032,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,938.04 : 2,380,568.13 = 688,702.50 : x
  2. Step 2: Convert to fraction form
    1,587,938.04/2,380,568.13 = 688,702.50/x
  3. Step 3: Cross multiply
    1,587,938.04x = 2,380,568.13 × 688,702.50
  4. Step 4: Simplify right side
    1,587,938.04x = 1,639,503,222,551.33
  5. Step 5: Solve for x
    x = 1,639,503,222,551.33/1,587,938.04
  6. Step 6: Final answer
    x = 1,032,473.04

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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.