Home / 1,128,267.27-1,692,650.07-418,295.39

Finding the Fourth Proportional to 1,128,267.27, 1,692,650.07 and 418,295.39

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Solution

The fourth proportional to 1,128,267.27, 1,692,650.07 and 418,295.39 is: 627,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,267.27 : 1,692,650.07 = 418,295.39 : x
  2. Step 2: Convert to fraction form
    1,128,267.27/1,692,650.07 = 418,295.39/x
  3. Step 3: Cross multiply
    1,128,267.27x = 1,692,650.07 × 418,295.39
  4. Step 4: Simplify right side
    1,128,267.27x = 708,027,712,700.93
  5. Step 5: Solve for x
    x = 708,027,712,700.93/1,128,267.27
  6. Step 6: Final answer
    x = 627,535.45

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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.