Home / 1,375,124.06-1,897,634.76-763,275.08

Finding the Fourth Proportional to 1,375,124.06, 1,897,634.76 and 763,275.08

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Solution

The fourth proportional to 1,375,124.06, 1,897,634.76 and 763,275.08 is: 1,053,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,124.06 : 1,897,634.76 = 763,275.08 : x
  2. Step 2: Convert to fraction form
    1,375,124.06/1,897,634.76 = 763,275.08/x
  3. Step 3: Cross multiply
    1,375,124.06x = 1,897,634.76 × 763,275.08
  4. Step 4: Simplify right side
    1,375,124.06x = 1,448,417,323,249.78
  5. Step 5: Solve for x
    x = 1,448,417,323,249.78/1,375,124.06
  6. Step 6: Final answer
    x = 1,053,299.38

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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.