Home / 1,170,045.40-1,755,651.30-664,994.20

Finding the Fourth Proportional to 1,170,045.40, 1,755,651.30 and 664,994.20

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Solution

The fourth proportional to 1,170,045.40, 1,755,651.30 and 664,994.20 is: 997,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,045.40 : 1,755,651.30 = 664,994.20 : x
  2. Step 2: Convert to fraction form
    1,170,045.40/1,755,651.30 = 664,994.20/x
  3. Step 3: Cross multiply
    1,170,045.40x = 1,755,651.30 × 664,994.20
  4. Step 4: Simplify right side
    1,170,045.40x = 1,167,497,931,722.46
  5. Step 5: Solve for x
    x = 1,167,497,931,722.46/1,170,045.40
  6. Step 6: Final answer
    x = 997,822.76

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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.