Home / 1,252,000.20-1,878,000.30-754,336.20

Finding the Fourth Proportional to 1,252,000.20, 1,878,000.30 and 754,336.20

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Solution

The fourth proportional to 1,252,000.20, 1,878,000.30 and 754,336.20 is: 1,131,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,000.20 : 1,878,000.30 = 754,336.20 : x
  2. Step 2: Convert to fraction form
    1,252,000.20/1,878,000.30 = 754,336.20/x
  3. Step 3: Cross multiply
    1,252,000.20x = 1,878,000.30 × 754,336.20
  4. Step 4: Simplify right side
    1,252,000.20x = 1,416,643,609,900.86
  5. Step 5: Solve for x
    x = 1,416,643,609,900.86/1,252,000.20
  6. Step 6: Final answer
    x = 1,131,504.30

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Similar ratio
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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.