Home / 1,240,850.12-1,861,648.86-442,027.40

Finding the Fourth Proportional to 1,240,850.12, 1,861,648.86 and 442,027.40

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Solution

The fourth proportional to 1,240,850.12, 1,861,648.86 and 442,027.40 is: 663,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,850.12 : 1,861,648.86 = 442,027.40 : x
  2. Step 2: Convert to fraction form
    1,240,850.12/1,861,648.86 = 442,027.40/x
  3. Step 3: Cross multiply
    1,240,850.12x = 1,861,648.86 × 442,027.40
  4. Step 4: Simplify right side
    1,240,850.12x = 822,899,805,298.76
  5. Step 5: Solve for x
    x = 822,899,805,298.76/1,240,850.12
  6. Step 6: Final answer
    x = 663,174.22

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1.5x scale

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.