Home / 972,191.80-1,458,287.70-688,756.60

Finding the Fourth Proportional to 972,191.80, 1,458,287.70 and 688,756.60

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Solution

The fourth proportional to 972,191.80, 1,458,287.70 and 688,756.60 is: 1,033,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,191.80 : 1,458,287.70 = 688,756.60 : x
  2. Step 2: Convert to fraction form
    972,191.80/1,458,287.70 = 688,756.60/x
  3. Step 3: Cross multiply
    972,191.80x = 1,458,287.70 × 688,756.60
  4. Step 4: Simplify right side
    972,191.80x = 1,004,405,278,073.82
  5. Step 5: Solve for x
    x = 1,004,405,278,073.82/972,191.80
  6. Step 6: Final answer
    x = 1,033,134.90

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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.