Home / 1,375,070.53-1,897,568.74-763,187.40

Finding the Fourth Proportional to 1,375,070.53, 1,897,568.74 and 763,187.40

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Solution

The fourth proportional to 1,375,070.53, 1,897,568.74 and 763,187.40 is: 1,053,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,070.53 : 1,897,568.74 = 763,187.40 : x
  2. Step 2: Convert to fraction form
    1,375,070.53/1,897,568.74 = 763,187.40/x
  3. Step 3: Cross multiply
    1,375,070.53x = 1,897,568.74 × 763,187.40
  4. Step 4: Simplify right side
    1,375,070.53x = 1,448,200,553,001.88
  5. Step 5: Solve for x
    x = 1,448,200,553,001.88/1,375,070.53
  6. Step 6: Final answer
    x = 1,053,182.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.