Home / 972,040.80-1,458,061.20-919,552.80

Finding the Fourth Proportional to 972,040.80, 1,458,061.20 and 919,552.80

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Solution

The fourth proportional to 972,040.80, 1,458,061.20 and 919,552.80 is: 1,379,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,040.80 : 1,458,061.20 = 919,552.80 : x
  2. Step 2: Convert to fraction form
    972,040.80/1,458,061.20 = 919,552.80/x
  3. Step 3: Cross multiply
    972,040.80x = 1,458,061.20 × 919,552.80
  4. Step 4: Simplify right side
    972,040.80x = 1,340,764,259,031.36
  5. Step 5: Solve for x
    x = 1,340,764,259,031.36/972,040.80
  6. Step 6: Final answer
    x = 1,379,329.20

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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.