Home / 830,159.20-1,245,238.80-755,363.80

Finding the Fourth Proportional to 830,159.20, 1,245,238.80 and 755,363.80

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Solution

The fourth proportional to 830,159.20, 1,245,238.80 and 755,363.80 is: 1,133,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,159.20 : 1,245,238.80 = 755,363.80 : x
  2. Step 2: Convert to fraction form
    830,159.20/1,245,238.80 = 755,363.80/x
  3. Step 3: Cross multiply
    830,159.20x = 1,245,238.80 × 755,363.80
  4. Step 4: Simplify right side
    830,159.20x = 940,608,311,875.44
  5. Step 5: Solve for x
    x = 940,608,311,875.44/830,159.20
  6. Step 6: Final answer
    x = 1,133,045.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.