Home / 1,342,332.64-1,852,419.27-738,720.64

Finding the Fourth Proportional to 1,342,332.64, 1,852,419.27 and 738,720.64

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Solution

The fourth proportional to 1,342,332.64, 1,852,419.27 and 738,720.64 is: 1,019,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,332.64 : 1,852,419.27 = 738,720.64 : x
  2. Step 2: Convert to fraction form
    1,342,332.64/1,852,419.27 = 738,720.64/x
  3. Step 3: Cross multiply
    1,342,332.64x = 1,852,419.27 × 738,720.64
  4. Step 4: Simplify right side
    1,342,332.64x = 1,368,420,348,682.73
  5. Step 5: Solve for x
    x = 1,368,420,348,682.73/1,342,332.64
  6. Step 6: Final answer
    x = 1,019,434.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.