Home / 1,107,172.70-1,660,672.65-433,123.10

Finding the Fourth Proportional to 1,107,172.70, 1,660,672.65 and 433,123.10

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Solution

The fourth proportional to 1,107,172.70, 1,660,672.65 and 433,123.10 is: 649,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,172.70 : 1,660,672.65 = 433,123.10 : x
  2. Step 2: Convert to fraction form
    1,107,172.70/1,660,672.65 = 433,123.10/x
  3. Step 3: Cross multiply
    1,107,172.70x = 1,660,672.65 × 433,123.10
  4. Step 4: Simplify right side
    1,107,172.70x = 719,275,686,253.22
  5. Step 5: Solve for x
    x = 719,275,686,253.22/1,107,172.70
  6. Step 6: Final answer
    x = 649,650.85

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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.