Home / 1,292,959.54-1,784,284.15-749,410.61

Finding the Fourth Proportional to 1,292,959.54, 1,784,284.15 and 749,410.61

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Solution

The fourth proportional to 1,292,959.54, 1,784,284.15 and 749,410.61 is: 1,034,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,959.54 : 1,784,284.15 = 749,410.61 : x
  2. Step 2: Convert to fraction form
    1,292,959.54/1,784,284.15 = 749,410.61/x
  3. Step 3: Cross multiply
    1,292,959.54x = 1,784,284.15 × 749,410.61
  4. Step 4: Simplify right side
    1,292,959.54x = 1,337,161,473,264.83
  5. Step 5: Solve for x
    x = 1,337,161,473,264.83/1,292,959.54
  6. Step 6: Final answer
    x = 1,034,186.63

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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.