Home / 779,847.40-1,172,103.90-677,204.20

Finding the Fourth Proportional to 779,847.40, 1,172,103.90 and 677,204.20

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Solution

The fourth proportional to 779,847.40, 1,172,103.90 and 677,204.20 is: 1,017,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,847.40 : 1,172,103.90 = 677,204.20 : x
  2. Step 2: Convert to fraction form
    779,847.40/1,172,103.90 = 677,204.20/x
  3. Step 3: Cross multiply
    779,847.40x = 1,172,103.90 × 677,204.20
  4. Step 4: Simplify right side
    779,847.40x = 793,753,683,916.38
  5. Step 5: Solve for x
    x = 793,753,683,916.38/779,847.40
  6. Step 6: Final answer
    x = 1,017,832.06

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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.