Home / 1,368,077.90-1,887,951.30-747,890.56

Finding the Fourth Proportional to 1,368,077.90, 1,887,951.30 and 747,890.56

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Solution

The fourth proportional to 1,368,077.90, 1,887,951.30 and 747,890.56 is: 1,032,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,077.90 : 1,887,951.30 = 747,890.56 : x
  2. Step 2: Convert to fraction form
    1,368,077.90/1,887,951.30 = 747,890.56/x
  3. Step 3: Cross multiply
    1,368,077.90x = 1,887,951.30 × 747,890.56
  4. Step 4: Simplify right side
    1,368,077.90x = 1,411,980,955,009.73
  5. Step 5: Solve for x
    x = 1,411,980,955,009.73/1,368,077.90
  6. Step 6: Final answer
    x = 1,032,091.05

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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.