Home / 1,566,385.47-2,349,580.03-429,157.53

Finding the Fourth Proportional to 1,566,385.47, 2,349,580.03 and 429,157.53

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Solution

The fourth proportional to 1,566,385.47, 2,349,580.03 and 429,157.53 is: 643,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,385.47 : 2,349,580.03 = 429,157.53 : x
  2. Step 2: Convert to fraction form
    1,566,385.47/2,349,580.03 = 429,157.53/x
  3. Step 3: Cross multiply
    1,566,385.47x = 2,349,580.03 × 429,157.53
  4. Step 4: Simplify right side
    1,566,385.47x = 1,008,339,961,139.23
  5. Step 5: Solve for x
    x = 1,008,339,961,139.23/1,566,385.47
  6. Step 6: Final answer
    x = 643,736.79

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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.