Home / 972,179.20-1,458,268.80-545,276.80

Finding the Fourth Proportional to 972,179.20, 1,458,268.80 and 545,276.80

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Solution

The fourth proportional to 972,179.20, 1,458,268.80 and 545,276.80 is: 817,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,179.20 : 1,458,268.80 = 545,276.80 : x
  2. Step 2: Convert to fraction form
    972,179.20/1,458,268.80 = 545,276.80/x
  3. Step 3: Cross multiply
    972,179.20x = 1,458,268.80 × 545,276.80
  4. Step 4: Simplify right side
    972,179.20x = 795,160,144,803.84
  5. Step 5: Solve for x
    x = 795,160,144,803.84/972,179.20
  6. Step 6: Final answer
    x = 817,915.20

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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.