Home / 1,060,591.80-1,586,999.70-780,655.80

Finding the Fourth Proportional to 1,060,591.80, 1,586,999.70 and 780,655.80

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Solution

The fourth proportional to 1,060,591.80, 1,586,999.70 and 780,655.80 is: 1,168,121.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,591.80 : 1,586,999.70 = 780,655.80 : x
  2. Step 2: Convert to fraction form
    1,060,591.80/1,586,999.70 = 780,655.80/x
  3. Step 3: Cross multiply
    1,060,591.80x = 1,586,999.70 × 780,655.80
  4. Step 4: Simplify right side
    1,060,591.80x = 1,238,900,520,403.26
  5. Step 5: Solve for x
    x = 1,238,900,520,403.26/1,060,591.80
  6. Step 6: Final answer
    x = 1,168,121.91

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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.