Home / 1,878,108.29-2,817,388.04-663,435.48

Finding the Fourth Proportional to 1,878,108.29, 2,817,388.04 and 663,435.48

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Solution

The fourth proportional to 1,878,108.29, 2,817,388.04 and 663,435.48 is: 995,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,108.29 : 2,817,388.04 = 663,435.48 : x
  2. Step 2: Convert to fraction form
    1,878,108.29/2,817,388.04 = 663,435.48/x
  3. Step 3: Cross multiply
    1,878,108.29x = 2,817,388.04 × 663,435.48
  4. Step 4: Simplify right side
    1,878,108.29x = 1,869,155,181,278.78
  5. Step 5: Solve for x
    x = 1,869,155,181,278.78/1,878,108.29
  6. Step 6: Final answer
    x = 995,232.91

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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.