Home / 1,240,715.52-1,861,074.08-399,267.04

Finding the Fourth Proportional to 1,240,715.52, 1,861,074.08 and 399,267.04

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Solution

The fourth proportional to 1,240,715.52, 1,861,074.08 and 399,267.04 is: 598,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,715.52 : 1,861,074.08 = 399,267.04 : x
  2. Step 2: Convert to fraction form
    1,240,715.52/1,861,074.08 = 399,267.04/x
  3. Step 3: Cross multiply
    1,240,715.52x = 1,861,074.08 × 399,267.04
  4. Step 4: Simplify right side
    1,240,715.52x = 743,065,539,142.32
  5. Step 5: Solve for x
    x = 743,065,539,142.32/1,240,715.52
  6. Step 6: Final answer
    x = 598,900.82

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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.