Home / 972,022.80-1,458,034.20-545,120.40

Finding the Fourth Proportional to 972,022.80, 1,458,034.20 and 545,120.40

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Solution

The fourth proportional to 972,022.80, 1,458,034.20 and 545,120.40 is: 817,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,022.80 : 1,458,034.20 = 545,120.40 : x
  2. Step 2: Convert to fraction form
    972,022.80/1,458,034.20 = 545,120.40/x
  3. Step 3: Cross multiply
    972,022.80x = 1,458,034.20 × 545,120.40
  4. Step 4: Simplify right side
    972,022.80x = 794,804,186,317.68
  5. Step 5: Solve for x
    x = 794,804,186,317.68/972,022.80
  6. Step 6: Final answer
    x = 817,680.60

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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.