Home / 1,170,432.90-1,756,232.55-665,381.70

Finding the Fourth Proportional to 1,170,432.90, 1,756,232.55 and 665,381.70

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Solution

The fourth proportional to 1,170,432.90, 1,756,232.55 and 665,381.70 is: 998,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,432.90 : 1,756,232.55 = 665,381.70 : x
  2. Step 2: Convert to fraction form
    1,170,432.90/1,756,232.55 = 665,381.70/x
  3. Step 3: Cross multiply
    1,170,432.90x = 1,756,232.55 × 665,381.70
  4. Step 4: Simplify right side
    1,170,432.90x = 1,168,564,999,714.34
  5. Step 5: Solve for x
    x = 1,168,564,999,714.34/1,170,432.90
  6. Step 6: Final answer
    x = 998,404.09

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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.