Home / 1,393,225-2,088,088.38-753,503.24

Finding the Fourth Proportional to 1,393,225, 2,088,088.38 and 753,503.24

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Solution

The fourth proportional to 1,393,225, 2,088,088.38 and 753,503.24 is: 1,129,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,225 : 2,088,088.38 = 753,503.24 : x
  2. Step 2: Convert to fraction form
    1,393,225/2,088,088.38 = 753,503.24/x
  3. Step 3: Cross multiply
    1,393,225x = 2,088,088.38 × 753,503.24
  4. Step 4: Simplify right side
    1,393,225x = 1,573,381,359,736.35
  5. Step 5: Solve for x
    x = 1,573,381,359,736.35/1,393,225
  6. Step 6: Final answer
    x = 1,129,308.88

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Double scale
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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.