Home / 1,331,498.74-1,836,951.86-847,977.34

Finding the Fourth Proportional to 1,331,498.74, 1,836,951.86 and 847,977.34

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Solution

The fourth proportional to 1,331,498.74, 1,836,951.86 and 847,977.34 is: 1,169,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,498.74 : 1,836,951.86 = 847,977.34 : x
  2. Step 2: Convert to fraction form
    1,331,498.74/1,836,951.86 = 847,977.34/x
  3. Step 3: Cross multiply
    1,331,498.74x = 1,836,951.86 × 847,977.34
  4. Step 4: Simplify right side
    1,331,498.74x = 1,557,693,551,950.85
  5. Step 5: Solve for x
    x = 1,557,693,551,950.85/1,331,498.74
  6. Step 6: Final answer
    x = 1,169,879.85

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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.