Home / 1,017,289.10-1,526,808.45-449,543.90

Finding the Fourth Proportional to 1,017,289.10, 1,526,808.45 and 449,543.90

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Solution

The fourth proportional to 1,017,289.10, 1,526,808.45 and 449,543.90 is: 674,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,289.10 : 1,526,808.45 = 449,543.90 : x
  2. Step 2: Convert to fraction form
    1,017,289.10/1,526,808.45 = 449,543.90/x
  3. Step 3: Cross multiply
    1,017,289.10x = 1,526,808.45 × 449,543.90
  4. Step 4: Simplify right side
    1,017,289.10x = 686,367,425,165.96
  5. Step 5: Solve for x
    x = 686,367,425,165.96/1,017,289.10
  6. Step 6: Final answer
    x = 674,702.43

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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.