Home / 1,145,442.90-1,717,726.59-376,761.78

Finding the Fourth Proportional to 1,145,442.90, 1,717,726.59 and 376,761.78

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Solution

The fourth proportional to 1,145,442.90, 1,717,726.59 and 376,761.78 is: 564,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,442.90 : 1,717,726.59 = 376,761.78 : x
  2. Step 2: Convert to fraction form
    1,145,442.90/1,717,726.59 = 376,761.78/x
  3. Step 3: Cross multiply
    1,145,442.90x = 1,717,726.59 × 376,761.78
  4. Step 4: Simplify right side
    1,145,442.90x = 647,173,727,601.73
  5. Step 5: Solve for x
    x = 647,173,727,601.73/1,145,442.90
  6. Step 6: Final answer
    x = 564,998.68

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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.