Home / 1,451,031.40-2,176,547.10-916,820.20

Finding the Fourth Proportional to 1,451,031.40, 2,176,547.10 and 916,820.20

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Solution

The fourth proportional to 1,451,031.40, 2,176,547.10 and 916,820.20 is: 1,375,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,031.40 : 2,176,547.10 = 916,820.20 : x
  2. Step 2: Convert to fraction form
    1,451,031.40/2,176,547.10 = 916,820.20/x
  3. Step 3: Cross multiply
    1,451,031.40x = 2,176,547.10 × 916,820.20
  4. Step 4: Simplify right side
    1,451,031.40x = 1,995,502,347,531.42
  5. Step 5: Solve for x
    x = 1,995,502,347,531.42/1,451,031.40
  6. Step 6: Final answer
    x = 1,375,230.30

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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.