Home / 1,177,666.40-1,767,082.80-672,615.20

Finding the Fourth Proportional to 1,177,666.40, 1,767,082.80 and 672,615.20

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Solution

The fourth proportional to 1,177,666.40, 1,767,082.80 and 672,615.20 is: 1,009,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,666.40 : 1,767,082.80 = 672,615.20 : x
  2. Step 2: Convert to fraction form
    1,177,666.40/1,767,082.80 = 672,615.20/x
  3. Step 3: Cross multiply
    1,177,666.40x = 1,767,082.80 × 672,615.20
  4. Step 4: Simplify right side
    1,177,666.40x = 1,188,566,750,938.56
  5. Step 5: Solve for x
    x = 1,188,566,750,938.56/1,177,666.40
  6. Step 6: Final answer
    x = 1,009,255.89

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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.