Home / 1,337,205.63-2,004,034.13-728,432.21

Finding the Fourth Proportional to 1,337,205.63, 2,004,034.13 and 728,432.21

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Solution

The fourth proportional to 1,337,205.63, 2,004,034.13 and 728,432.21 is: 1,091,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,205.63 : 2,004,034.13 = 728,432.21 : x
  2. Step 2: Convert to fraction form
    1,337,205.63/2,004,034.13 = 728,432.21/x
  3. Step 3: Cross multiply
    1,337,205.63x = 2,004,034.13 × 728,432.21
  4. Step 4: Simplify right side
    1,337,205.63x = 1,459,802,996,569.00
  5. Step 5: Solve for x
    x = 1,459,802,996,569.00/1,337,205.63
  6. Step 6: Final answer
    x = 1,091,681.76

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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.