Home / 1,230,079.80-1,845,378.90-519,742.20

Finding the Fourth Proportional to 1,230,079.80, 1,845,378.90 and 519,742.20

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Solution

The fourth proportional to 1,230,079.80, 1,845,378.90 and 519,742.20 is: 779,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,079.80 : 1,845,378.90 = 519,742.20 : x
  2. Step 2: Convert to fraction form
    1,230,079.80/1,845,378.90 = 519,742.20/x
  3. Step 3: Cross multiply
    1,230,079.80x = 1,845,378.90 × 519,742.20
  4. Step 4: Simplify right side
    1,230,079.80x = 959,121,289,319.58
  5. Step 5: Solve for x
    x = 959,121,289,319.58/1,230,079.80
  6. Step 6: Final answer
    x = 779,722.82

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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.