Home / 1,551,320.95-2,139,057.84-1,092,288.79

Finding the Fourth Proportional to 1,551,320.95, 2,139,057.84 and 1,092,288.79

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Solution

The fourth proportional to 1,551,320.95, 2,139,057.84 and 1,092,288.79 is: 1,506,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,320.95 : 2,139,057.84 = 1,092,288.79 : x
  2. Step 2: Convert to fraction form
    1,551,320.95/2,139,057.84 = 1,092,288.79/x
  3. Step 3: Cross multiply
    1,551,320.95x = 2,139,057.84 × 1,092,288.79
  4. Step 4: Simplify right side
    1,551,320.95x = 2,336,468,899,793.61
  5. Step 5: Solve for x
    x = 2,336,468,899,793.61/1,551,320.95
  6. Step 6: Final answer
    x = 1,506,115.74

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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.