Home / 1,493,449.40-2,240,174.10-861,625.10

Finding the Fourth Proportional to 1,493,449.40, 2,240,174.10 and 861,625.10

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Solution

The fourth proportional to 1,493,449.40, 2,240,174.10 and 861,625.10 is: 1,292,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,449.40 : 2,240,174.10 = 861,625.10 : x
  2. Step 2: Convert to fraction form
    1,493,449.40/2,240,174.10 = 861,625.10/x
  3. Step 3: Cross multiply
    1,493,449.40x = 2,240,174.10 × 861,625.10
  4. Step 4: Simplify right side
    1,493,449.40x = 1,930,190,232,929.91
  5. Step 5: Solve for x
    x = 1,930,190,232,929.91/1,493,449.40
  6. Step 6: Final answer
    x = 1,292,437.65

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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.