Home / 1,375,031.81-1,897,529.51-763,189.85

Finding the Fourth Proportional to 1,375,031.81, 1,897,529.51 and 763,189.85

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Solution

The fourth proportional to 1,375,031.81, 1,897,529.51 and 763,189.85 is: 1,053,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,031.81 : 1,897,529.51 = 763,189.85 : x
  2. Step 2: Convert to fraction form
    1,375,031.81/1,897,529.51 = 763,189.85/x
  3. Step 3: Cross multiply
    1,375,031.81x = 1,897,529.51 × 763,189.85
  4. Step 4: Simplify right side
    1,375,031.81x = 1,448,175,258,291.52
  5. Step 5: Solve for x
    x = 1,448,175,258,291.52/1,375,031.81
  6. Step 6: Final answer
    x = 1,053,194.00

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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.