Home / 1,178,219.20-1,767,328.80-579,272.80

Finding the Fourth Proportional to 1,178,219.20, 1,767,328.80 and 579,272.80

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Solution

The fourth proportional to 1,178,219.20, 1,767,328.80 and 579,272.80 is: 868,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,219.20 : 1,767,328.80 = 579,272.80 : x
  2. Step 2: Convert to fraction form
    1,178,219.20/1,767,328.80 = 579,272.80/x
  3. Step 3: Cross multiply
    1,178,219.20x = 1,767,328.80 × 579,272.80
  4. Step 4: Simplify right side
    1,178,219.20x = 1,023,765,502,496.64
  5. Step 5: Solve for x
    x = 1,023,765,502,496.64/1,178,219.20
  6. Step 6: Final answer
    x = 868,909.20

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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.