Home / 3,153,140.79-4,729,711.20-756,985.44

Finding the Fourth Proportional to 3,153,140.79, 4,729,711.20 and 756,985.44

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Solution

The fourth proportional to 3,153,140.79, 4,729,711.20 and 756,985.44 is: 1,135,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153,140.79 : 4,729,711.20 = 756,985.44 : x
  2. Step 2: Convert to fraction form
    3,153,140.79/4,729,711.20 = 756,985.44/x
  3. Step 3: Cross multiply
    3,153,140.79x = 4,729,711.20 × 756,985.44
  4. Step 4: Simplify right side
    3,153,140.79x = 3,580,322,513,804.93
  5. Step 5: Solve for x
    x = 3,580,322,513,804.93/3,153,140.79
  6. Step 6: Final answer
    x = 1,135,478.16

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Similar ratio
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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.