Home / 1,109,500.20-1,664,250.30-910,045.80

Finding the Fourth Proportional to 1,109,500.20, 1,664,250.30 and 910,045.80

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Solution

The fourth proportional to 1,109,500.20, 1,664,250.30 and 910,045.80 is: 1,365,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,500.20 : 1,664,250.30 = 910,045.80 : x
  2. Step 2: Convert to fraction form
    1,109,500.20/1,664,250.30 = 910,045.80/x
  3. Step 3: Cross multiply
    1,109,500.20x = 1,664,250.30 × 910,045.80
  4. Step 4: Simplify right side
    1,109,500.20x = 1,514,543,995,663.74
  5. Step 5: Solve for x
    x = 1,514,543,995,663.74/1,109,500.20
  6. Step 6: Final answer
    x = 1,365,068.70

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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.