Home / 1,107,516.45-1,660,782.60-433,373.70

Finding the Fourth Proportional to 1,107,516.45, 1,660,782.60 and 433,373.70

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Solution

The fourth proportional to 1,107,516.45, 1,660,782.60 and 433,373.70 is: 649,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,516.45 : 1,660,782.60 = 433,373.70 : x
  2. Step 2: Convert to fraction form
    1,107,516.45/1,660,782.60 = 433,373.70/x
  3. Step 3: Cross multiply
    1,107,516.45x = 1,660,782.60 × 433,373.70
  4. Step 4: Simplify right side
    1,107,516.45x = 719,739,500,257.62
  5. Step 5: Solve for x
    x = 719,739,500,257.62/1,107,516.45
  6. Step 6: Final answer
    x = 649,868.00

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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.