Home / 1,418,487.40-2,127,731.10-970,589.80

Finding the Fourth Proportional to 1,418,487.40, 2,127,731.10 and 970,589.80

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Solution

The fourth proportional to 1,418,487.40, 2,127,731.10 and 970,589.80 is: 1,455,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,487.40 : 2,127,731.10 = 970,589.80 : x
  2. Step 2: Convert to fraction form
    1,418,487.40/2,127,731.10 = 970,589.80/x
  3. Step 3: Cross multiply
    1,418,487.40x = 2,127,731.10 × 970,589.80
  4. Step 4: Simplify right side
    1,418,487.40x = 2,065,154,102,802.78
  5. Step 5: Solve for x
    x = 2,065,154,102,802.78/1,418,487.40
  6. Step 6: Final answer
    x = 1,455,884.70

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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.