Home / 972,023.60-1,453,369.80-720,081.20

Finding the Fourth Proportional to 972,023.60, 1,453,369.80 and 720,081.20

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Solution

The fourth proportional to 972,023.60, 1,453,369.80 and 720,081.20 is: 1,076,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,023.60 : 1,453,369.80 = 720,081.20 : x
  2. Step 2: Convert to fraction form
    972,023.60/1,453,369.80 = 720,081.20/x
  3. Step 3: Cross multiply
    972,023.60x = 1,453,369.80 × 720,081.20
  4. Step 4: Simplify right side
    972,023.60x = 1,046,544,269,627.76
  5. Step 5: Solve for x
    x = 1,046,544,269,627.76/972,023.60
  6. Step 6: Final answer
    x = 1,076,665.49

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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.