Home / 1,344,138.70-2,018,540.85-714,282.70

Finding the Fourth Proportional to 1,344,138.70, 2,018,540.85 and 714,282.70

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Solution

The fourth proportional to 1,344,138.70, 2,018,540.85 and 714,282.70 is: 1,072,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,138.70 : 2,018,540.85 = 714,282.70 : x
  2. Step 2: Convert to fraction form
    1,344,138.70/2,018,540.85 = 714,282.70/x
  3. Step 3: Cross multiply
    1,344,138.70x = 2,018,540.85 × 714,282.70
  4. Step 4: Simplify right side
    1,344,138.70x = 1,441,808,808,398.30
  5. Step 5: Solve for x
    x = 1,441,808,808,398.30/1,344,138.70
  6. Step 6: Final answer
    x = 1,072,663.71

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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.