Home / 1,292,956.69-1,784,280.22-749,407.76

Finding the Fourth Proportional to 1,292,956.69, 1,784,280.22 and 749,407.76

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Solution

The fourth proportional to 1,292,956.69, 1,784,280.22 and 749,407.76 is: 1,034,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,956.69 : 1,784,280.22 = 749,407.76 : x
  2. Step 2: Convert to fraction form
    1,292,956.69/1,784,280.22 = 749,407.76/x
  3. Step 3: Cross multiply
    1,292,956.69x = 1,784,280.22 × 749,407.76
  4. Step 4: Simplify right side
    1,292,956.69x = 1,337,153,442,882.51
  5. Step 5: Solve for x
    x = 1,337,153,442,882.51/1,292,956.69
  6. Step 6: Final answer
    x = 1,034,182.70

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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.