Home / 852,125.20-1,278,187.80-716,822.80

Finding the Fourth Proportional to 852,125.20, 1,278,187.80 and 716,822.80

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Solution

The fourth proportional to 852,125.20, 1,278,187.80 and 716,822.80 is: 1,075,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,125.20 : 1,278,187.80 = 716,822.80 : x
  2. Step 2: Convert to fraction form
    852,125.20/1,278,187.80 = 716,822.80/x
  3. Step 3: Cross multiply
    852,125.20x = 1,278,187.80 × 716,822.80
  4. Step 4: Simplify right side
    852,125.20x = 916,234,157,721.84
  5. Step 5: Solve for x
    x = 916,234,157,721.84/852,125.20
  6. Step 6: Final answer
    x = 1,075,234.20

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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.