Home / 1,078,726.40-1,614,979.20-658,822.40

Finding the Fourth Proportional to 1,078,726.40, 1,614,979.20 and 658,822.40

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Solution

The fourth proportional to 1,078,726.40, 1,614,979.20 and 658,822.40 is: 986,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,726.40 : 1,614,979.20 = 658,822.40 : x
  2. Step 2: Convert to fraction form
    1,078,726.40/1,614,979.20 = 658,822.40/x
  3. Step 3: Cross multiply
    1,078,726.40x = 1,614,979.20 × 658,822.40
  4. Step 4: Simplify right side
    1,078,726.40x = 1,063,984,472,494.08
  5. Step 5: Solve for x
    x = 1,063,984,472,494.08/1,078,726.40
  6. Step 6: Final answer
    x = 986,333.95

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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.