Home / 1,002,879.50-1,384,220.67-615,787.68

Finding the Fourth Proportional to 1,002,879.50, 1,384,220.67 and 615,787.68

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Solution

The fourth proportional to 1,002,879.50, 1,384,220.67 and 615,787.68 is: 849,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,879.50 : 1,384,220.67 = 615,787.68 : x
  2. Step 2: Convert to fraction form
    1,002,879.50/1,384,220.67 = 615,787.68/x
  3. Step 3: Cross multiply
    1,002,879.50x = 1,384,220.67 × 615,787.68
  4. Step 4: Simplify right side
    1,002,879.50x = 852,386,027,921.51
  5. Step 5: Solve for x
    x = 852,386,027,921.51/1,002,879.50
  6. Step 6: Final answer
    x = 849,938.63

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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.