Home / 802,021.20-1,203,031.80-748,877.10

Finding the Fourth Proportional to 802,021.20, 1,203,031.80 and 748,877.10

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Solution

The fourth proportional to 802,021.20, 1,203,031.80 and 748,877.10 is: 1,123,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,021.20 : 1,203,031.80 = 748,877.10 : x
  2. Step 2: Convert to fraction form
    802,021.20/1,203,031.80 = 748,877.10/x
  3. Step 3: Cross multiply
    802,021.20x = 1,203,031.80 × 748,877.10
  4. Step 4: Simplify right side
    802,021.20x = 900,922,965,591.78
  5. Step 5: Solve for x
    x = 900,922,965,591.78/802,021.20
  6. Step 6: Final answer
    x = 1,123,315.65

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1.5x scale

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.