Home / 1,070,350.56-1,605,726.24-872,405.28

Finding the Fourth Proportional to 1,070,350.56, 1,605,726.24 and 872,405.28

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Solution

The fourth proportional to 1,070,350.56, 1,605,726.24 and 872,405.28 is: 1,308,771.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,350.56 : 1,605,726.24 = 872,405.28 : x
  2. Step 2: Convert to fraction form
    1,070,350.56/1,605,726.24 = 872,405.28/x
  3. Step 3: Cross multiply
    1,070,350.56x = 1,605,726.24 × 872,405.28
  4. Step 4: Simplify right side
    1,070,350.56x = 1,400,844,050,010.55
  5. Step 5: Solve for x
    x = 1,400,844,050,010.55/1,070,350.56
  6. Step 6: Final answer
    x = 1,308,771.26

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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.