Home / 1,266,675.06-1,748,136.38-722,892.70

Finding the Fourth Proportional to 1,266,675.06, 1,748,136.38 and 722,892.70

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Solution

The fourth proportional to 1,266,675.06, 1,748,136.38 and 722,892.70 is: 997,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,675.06 : 1,748,136.38 = 722,892.70 : x
  2. Step 2: Convert to fraction form
    1,266,675.06/1,748,136.38 = 722,892.70/x
  3. Step 3: Cross multiply
    1,266,675.06x = 1,748,136.38 × 722,892.70
  4. Step 4: Simplify right side
    1,266,675.06x = 1,263,715,030,343.40
  5. Step 5: Solve for x
    x = 1,263,715,030,343.40/1,266,675.06
  6. Step 6: Final answer
    x = 997,663.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.