Home / 827,916.56-1,247,407.28-748,047.32

Finding the Fourth Proportional to 827,916.56, 1,247,407.28 and 748,047.32

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Solution

The fourth proportional to 827,916.56, 1,247,407.28 and 748,047.32 is: 1,127,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,916.56 : 1,247,407.28 = 748,047.32 : x
  2. Step 2: Convert to fraction form
    827,916.56/1,247,407.28 = 748,047.32/x
  3. Step 3: Cross multiply
    827,916.56x = 1,247,407.28 × 748,047.32
  4. Step 4: Simplify right side
    827,916.56x = 933,119,672,752.49
  5. Step 5: Solve for x
    x = 933,119,672,752.49/827,916.56
  6. Step 6: Final answer
    x = 1,127,069.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.