Home / 1,107,152.70-1,660,642.65-433,103.10

Finding the Fourth Proportional to 1,107,152.70, 1,660,642.65 and 433,103.10

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Solution

The fourth proportional to 1,107,152.70, 1,660,642.65 and 433,103.10 is: 649,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,152.70 : 1,660,642.65 = 433,103.10 : x
  2. Step 2: Convert to fraction form
    1,107,152.70/1,660,642.65 = 433,103.10/x
  3. Step 3: Cross multiply
    1,107,152.70x = 1,660,642.65 × 433,103.10
  4. Step 4: Simplify right side
    1,107,152.70x = 719,229,479,707.22
  5. Step 5: Solve for x
    x = 719,229,479,707.22/1,107,152.70
  6. Step 6: Final answer
    x = 649,620.85

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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.