Home / 1,587,937.86-2,380,567.85-688,702.32

Finding the Fourth Proportional to 1,587,937.86, 2,380,567.85 and 688,702.32

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Solution

The fourth proportional to 1,587,937.86, 2,380,567.85 and 688,702.32 is: 1,032,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,937.86 : 2,380,567.85 = 688,702.32 : x
  2. Step 2: Convert to fraction form
    1,587,937.86/2,380,567.85 = 688,702.32/x
  3. Step 3: Cross multiply
    1,587,937.86x = 2,380,567.85 × 688,702.32
  4. Step 4: Simplify right side
    1,587,937.86x = 1,639,502,597,768.90
  5. Step 5: Solve for x
    x = 1,639,502,597,768.90/1,587,937.86
  6. Step 6: Final answer
    x = 1,032,472.77

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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.