Home / 1,812,985.32-2,719,787.80-747,444.90

Finding the Fourth Proportional to 1,812,985.32, 2,719,787.80 and 747,444.90

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Solution

The fourth proportional to 1,812,985.32, 2,719,787.80 and 747,444.90 is: 1,121,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,985.32 : 2,719,787.80 = 747,444.90 : x
  2. Step 2: Convert to fraction form
    1,812,985.32/2,719,787.80 = 747,444.90/x
  3. Step 3: Cross multiply
    1,812,985.32x = 2,719,787.80 × 747,444.90
  4. Step 4: Simplify right side
    1,812,985.32x = 2,032,891,502,856.06
  5. Step 5: Solve for x
    x = 2,032,891,502,856.06/1,812,985.32
  6. Step 6: Final answer
    x = 1,121,295.07

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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.