Home / 1,564,545.22-2,158,702.35-885,481.72

Finding the Fourth Proportional to 1,564,545.22, 2,158,702.35 and 885,481.72

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Solution

The fourth proportional to 1,564,545.22, 2,158,702.35 and 885,481.72 is: 1,221,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,545.22 : 2,158,702.35 = 885,481.72 : x
  2. Step 2: Convert to fraction form
    1,564,545.22/2,158,702.35 = 885,481.72/x
  3. Step 3: Cross multiply
    1,564,545.22x = 2,158,702.35 × 885,481.72
  4. Step 4: Simplify right side
    1,564,545.22x = 1,911,491,469,846.04
  5. Step 5: Solve for x
    x = 1,911,491,469,846.04/1,564,545.22
  6. Step 6: Final answer
    x = 1,221,755.34

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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.