Home / 1,187,012.56-1,780,600.44-477,041.20

Finding the Fourth Proportional to 1,187,012.56, 1,780,600.44 and 477,041.20

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Solution

The fourth proportional to 1,187,012.56, 1,780,600.44 and 477,041.20 is: 715,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,012.56 : 1,780,600.44 = 477,041.20 : x
  2. Step 2: Convert to fraction form
    1,187,012.56/1,780,600.44 = 477,041.20/x
  3. Step 3: Cross multiply
    1,187,012.56x = 1,780,600.44 × 477,041.20
  4. Step 4: Simplify right side
    1,187,012.56x = 849,419,770,618.13
  5. Step 5: Solve for x
    x = 849,419,770,618.13/1,187,012.56
  6. Step 6: Final answer
    x = 715,594.59

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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.