Home / 1,685,505.60-2,528,332.20-487,549.02

Finding the Fourth Proportional to 1,685,505.60, 2,528,332.20 and 487,549.02

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Solution

The fourth proportional to 1,685,505.60, 2,528,332.20 and 487,549.02 is: 731,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,505.60 : 2,528,332.20 = 487,549.02 : x
  2. Step 2: Convert to fraction form
    1,685,505.60/2,528,332.20 = 487,549.02/x
  3. Step 3: Cross multiply
    1,685,505.60x = 2,528,332.20 × 487,549.02
  4. Step 4: Simplify right side
    1,685,505.60x = 1,232,685,886,344.44
  5. Step 5: Solve for x
    x = 1,232,685,886,344.44/1,685,505.60
  6. Step 6: Final answer
    x = 731,344.88

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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.