Home / 1,087,688.52-1,500,591.42-801,888.12

Finding the Fourth Proportional to 1,087,688.52, 1,500,591.42 and 801,888.12

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Solution

The fourth proportional to 1,087,688.52, 1,500,591.42 and 801,888.12 is: 1,106,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,688.52 : 1,500,591.42 = 801,888.12 : x
  2. Step 2: Convert to fraction form
    1,087,688.52/1,500,591.42 = 801,888.12/x
  3. Step 3: Cross multiply
    1,087,688.52x = 1,500,591.42 × 801,888.12
  4. Step 4: Simplify right side
    1,087,688.52x = 1,203,306,432,671.93
  5. Step 5: Solve for x
    x = 1,203,306,432,671.93/1,087,688.52
  6. Step 6: Final answer
    x = 1,106,296.90

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1.5x scale

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.