Home / 1,480,320.61-2,218,691.61-721,024.33

Finding the Fourth Proportional to 1,480,320.61, 2,218,691.61 and 721,024.33

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Solution

The fourth proportional to 1,480,320.61, 2,218,691.61 and 721,024.33 is: 1,080,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,320.61 : 2,218,691.61 = 721,024.33 : x
  2. Step 2: Convert to fraction form
    1,480,320.61/2,218,691.61 = 721,024.33/x
  3. Step 3: Cross multiply
    1,480,320.61x = 2,218,691.61 × 721,024.33
  4. Step 4: Simplify right side
    1,480,320.61x = 1,599,730,631,576.87
  5. Step 5: Solve for x
    x = 1,599,730,631,576.87/1,480,320.61
  6. Step 6: Final answer
    x = 1,080,664.97

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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.