Home / 784,008.80-1,176,704.40-672,034.40

Finding the Fourth Proportional to 784,008.80, 1,176,704.40 and 672,034.40

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Solution

The fourth proportional to 784,008.80, 1,176,704.40 and 672,034.40 is: 1,008,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,008.80 : 1,176,704.40 = 672,034.40 : x
  2. Step 2: Convert to fraction form
    784,008.80/1,176,704.40 = 672,034.40/x
  3. Step 3: Cross multiply
    784,008.80x = 1,176,704.40 × 672,034.40
  4. Step 4: Simplify right side
    784,008.80x = 790,785,835,431.36
  5. Step 5: Solve for x
    x = 790,785,835,431.36/784,008.80
  6. Step 6: Final answer
    x = 1,008,644.08

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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.