Home / 1,017,869.40-1,525,832.10-378,001.80

Finding the Fourth Proportional to 1,017,869.40, 1,525,832.10 and 378,001.80

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Solution

The fourth proportional to 1,017,869.40, 1,525,832.10 and 378,001.80 is: 566,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,869.40 : 1,525,832.10 = 378,001.80 : x
  2. Step 2: Convert to fraction form
    1,017,869.40/1,525,832.10 = 378,001.80/x
  3. Step 3: Cross multiply
    1,017,869.40x = 1,525,832.10 × 378,001.80
  4. Step 4: Simplify right side
    1,017,869.40x = 576,767,280,297.78
  5. Step 5: Solve for x
    x = 576,767,280,297.78/1,017,869.40
  6. Step 6: Final answer
    x = 566,641.73

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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.