Home / 1,685,496.86-2,528,319.12-487,540.28

Finding the Fourth Proportional to 1,685,496.86, 2,528,319.12 and 487,540.28

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Solution

The fourth proportional to 1,685,496.86, 2,528,319.12 and 487,540.28 is: 731,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,496.86 : 2,528,319.12 = 487,540.28 : x
  2. Step 2: Convert to fraction form
    1,685,496.86/2,528,319.12 = 487,540.28/x
  3. Step 3: Cross multiply
    1,685,496.86x = 2,528,319.12 × 487,540.28
  4. Step 4: Simplify right side
    1,685,496.86x = 1,232,657,411,694.15
  5. Step 5: Solve for x
    x = 1,232,657,411,694.15/1,685,496.86
  6. Step 6: Final answer
    x = 731,331.78

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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.