Home / 1,375,031.06-1,897,528.46-763,189.10

Finding the Fourth Proportional to 1,375,031.06, 1,897,528.46 and 763,189.10

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Solution

The fourth proportional to 1,375,031.06, 1,897,528.46 and 763,189.10 is: 1,053,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,031.06 : 1,897,528.46 = 763,189.10 : x
  2. Step 2: Convert to fraction form
    1,375,031.06/1,897,528.46 = 763,189.10/x
  3. Step 3: Cross multiply
    1,375,031.06x = 1,897,528.46 × 763,189.10
  4. Step 4: Simplify right side
    1,375,031.06x = 1,448,173,037,611.79
  5. Step 5: Solve for x
    x = 1,448,173,037,611.79/1,375,031.06
  6. Step 6: Final answer
    x = 1,053,192.96

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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.