Home / 1,158,166.20-1,737,249.30-971,542.20

Finding the Fourth Proportional to 1,158,166.20, 1,737,249.30 and 971,542.20

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Solution

The fourth proportional to 1,158,166.20, 1,737,249.30 and 971,542.20 is: 1,457,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,166.20 : 1,737,249.30 = 971,542.20 : x
  2. Step 2: Convert to fraction form
    1,158,166.20/1,737,249.30 = 971,542.20/x
  3. Step 3: Cross multiply
    1,158,166.20x = 1,737,249.30 × 971,542.20
  4. Step 4: Simplify right side
    1,158,166.20x = 1,687,811,006,870.46
  5. Step 5: Solve for x
    x = 1,687,811,006,870.46/1,158,166.20
  6. Step 6: Final answer
    x = 1,457,313.30

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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.