Home / 1,375,772.70-2,061,909.45-1,225,307.10

Finding the Fourth Proportional to 1,375,772.70, 2,061,909.45 and 1,225,307.10

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Solution

The fourth proportional to 1,375,772.70, 2,061,909.45 and 1,225,307.10 is: 1,836,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,772.70 : 2,061,909.45 = 1,225,307.10 : x
  2. Step 2: Convert to fraction form
    1,375,772.70/2,061,909.45 = 1,225,307.10/x
  3. Step 3: Cross multiply
    1,375,772.70x = 2,061,909.45 × 1,225,307.10
  4. Step 4: Simplify right side
    1,375,772.70x = 2,526,472,288,642.10
  5. Step 5: Solve for x
    x = 2,526,472,288,642.10/1,375,772.70
  6. Step 6: Final answer
    x = 1,836,402.40

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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.