Home / 1,288,018.60-1,932,034.55-755,165.95

Finding the Fourth Proportional to 1,288,018.60, 1,932,034.55 and 755,165.95

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Solution

The fourth proportional to 1,288,018.60, 1,932,034.55 and 755,165.95 is: 1,132,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,018.60 : 1,932,034.55 = 755,165.95 : x
  2. Step 2: Convert to fraction form
    1,288,018.60/1,932,034.55 = 755,165.95/x
  3. Step 3: Cross multiply
    1,288,018.60x = 1,932,034.55 × 755,165.95
  4. Step 4: Simplify right side
    1,288,018.60x = 1,459,006,706,383.57
  5. Step 5: Solve for x
    x = 1,459,006,706,383.57/1,288,018.60
  6. Step 6: Final answer
    x = 1,132,752.82

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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.