Home / 1,812,312.72-2,718,456.90-615,077.88

Finding the Fourth Proportional to 1,812,312.72, 2,718,456.90 and 615,077.88

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Solution

The fourth proportional to 1,812,312.72, 2,718,456.90 and 615,077.88 is: 922,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,312.72 : 2,718,456.90 = 615,077.88 : x
  2. Step 2: Convert to fraction form
    1,812,312.72/2,718,456.90 = 615,077.88/x
  3. Step 3: Cross multiply
    1,812,312.72x = 2,718,456.90 × 615,077.88
  4. Step 4: Simplify right side
    1,812,312.72x = 1,672,062,706,923.37
  5. Step 5: Solve for x
    x = 1,672,062,706,923.37/1,812,312.72
  6. Step 6: Final answer
    x = 922,612.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.