Home / 1,187,442.52-1,776,959.22-738,374.86

Finding the Fourth Proportional to 1,187,442.52, 1,776,959.22 and 738,374.86

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Solution

The fourth proportional to 1,187,442.52, 1,776,959.22 and 738,374.86 is: 1,104,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,442.52 : 1,776,959.22 = 738,374.86 : x
  2. Step 2: Convert to fraction form
    1,187,442.52/1,776,959.22 = 738,374.86/x
  3. Step 3: Cross multiply
    1,187,442.52x = 1,776,959.22 × 738,374.86
  4. Step 4: Simplify right side
    1,187,442.52x = 1,312,062,015,293.21
  5. Step 5: Solve for x
    x = 1,312,062,015,293.21/1,187,442.52
  6. Step 6: Final answer
    x = 1,104,947.81

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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.