Home / 991,324.56-1,368,144.64-588,916.56

Finding the Fourth Proportional to 991,324.56, 1,368,144.64 and 588,916.56

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Solution

The fourth proportional to 991,324.56, 1,368,144.64 and 588,916.56 is: 812,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,324.56 : 1,368,144.64 = 588,916.56 : x
  2. Step 2: Convert to fraction form
    991,324.56/1,368,144.64 = 588,916.56/x
  3. Step 3: Cross multiply
    991,324.56x = 1,368,144.64 × 588,916.56
  4. Step 4: Simplify right side
    991,324.56x = 805,723,034,971.24
  5. Step 5: Solve for x
    x = 805,723,034,971.24/991,324.56
  6. Step 6: Final answer
    x = 812,774.21

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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.