Home / 755,539.02-1,127,780.70-665,861.10

Finding the Fourth Proportional to 755,539.02, 1,127,780.70 and 665,861.10

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Solution

The fourth proportional to 755,539.02, 1,127,780.70 and 665,861.10 is: 993,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,539.02 : 1,127,780.70 = 665,861.10 : x
  2. Step 2: Convert to fraction form
    755,539.02/1,127,780.70 = 665,861.10/x
  3. Step 3: Cross multiply
    755,539.02x = 1,127,780.70 × 665,861.10
  4. Step 4: Simplify right side
    755,539.02x = 750,945,297,460.77
  5. Step 5: Solve for x
    x = 750,945,297,460.77/755,539.02
  6. Step 6: Final answer
    x = 993,919.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.