Home / 1,132,129.18-1,562,348.42-615,894.32

Finding the Fourth Proportional to 1,132,129.18, 1,562,348.42 and 615,894.32

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Solution

The fourth proportional to 1,132,129.18, 1,562,348.42 and 615,894.32 is: 849,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,129.18 : 1,562,348.42 = 615,894.32 : x
  2. Step 2: Convert to fraction form
    1,132,129.18/1,562,348.42 = 615,894.32/x
  3. Step 3: Cross multiply
    1,132,129.18x = 1,562,348.42 × 615,894.32
  4. Step 4: Simplify right side
    1,132,129.18x = 962,241,517,738.97
  5. Step 5: Solve for x
    x = 962,241,517,738.97/1,132,129.18
  6. Step 6: Final answer
    x = 849,939.68

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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.