Home / 1,125,081.36-1,552,612.24-615,783.72

Finding the Fourth Proportional to 1,125,081.36, 1,552,612.24 and 615,783.72

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Solution

The fourth proportional to 1,125,081.36, 1,552,612.24 and 615,783.72 is: 849,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,081.36 : 1,552,612.24 = 615,783.72 : x
  2. Step 2: Convert to fraction form
    1,125,081.36/1,552,612.24 = 615,783.72/x
  3. Step 3: Cross multiply
    1,125,081.36x = 1,552,612.24 × 615,783.72
  4. Step 4: Simplify right side
    1,125,081.36x = 956,073,340,864.73
  5. Step 5: Solve for x
    x = 956,073,340,864.73/1,125,081.36
  6. Step 6: Final answer
    x = 849,781.51

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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.