Home / 1,340,990.61-1,850,590.16-729,147.52

Finding the Fourth Proportional to 1,340,990.61, 1,850,590.16 and 729,147.52

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Solution

The fourth proportional to 1,340,990.61, 1,850,590.16 and 729,147.52 is: 1,006,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,990.61 : 1,850,590.16 = 729,147.52 : x
  2. Step 2: Convert to fraction form
    1,340,990.61/1,850,590.16 = 729,147.52/x
  3. Step 3: Cross multiply
    1,340,990.61x = 1,850,590.16 × 729,147.52
  4. Step 4: Simplify right side
    1,340,990.61x = 1,349,353,227,102.21
  5. Step 5: Solve for x
    x = 1,349,353,227,102.21/1,340,990.61
  6. Step 6: Final answer
    x = 1,006,236.15

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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.