Home / 779,872.20-1,169,808.30-707,555.40

Finding the Fourth Proportional to 779,872.20, 1,169,808.30 and 707,555.40

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Solution

The fourth proportional to 779,872.20, 1,169,808.30 and 707,555.40 is: 1,061,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,872.20 : 1,169,808.30 = 707,555.40 : x
  2. Step 2: Convert to fraction form
    779,872.20/1,169,808.30 = 707,555.40/x
  3. Step 3: Cross multiply
    779,872.20x = 1,169,808.30 × 707,555.40
  4. Step 4: Simplify right side
    779,872.20x = 827,704,179,629.82
  5. Step 5: Solve for x
    x = 827,704,179,629.82/779,872.20
  6. Step 6: Final answer
    x = 1,061,333.10

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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.