Home / 972,330.80-1,458,496.20-856,857.20

Finding the Fourth Proportional to 972,330.80, 1,458,496.20 and 856,857.20

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Solution

The fourth proportional to 972,330.80, 1,458,496.20 and 856,857.20 is: 1,285,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,330.80 : 1,458,496.20 = 856,857.20 : x
  2. Step 2: Convert to fraction form
    972,330.80/1,458,496.20 = 856,857.20/x
  3. Step 3: Cross multiply
    972,330.80x = 1,458,496.20 × 856,857.20
  4. Step 4: Simplify right side
    972,330.80x = 1,249,722,970,142.64
  5. Step 5: Solve for x
    x = 1,249,722,970,142.64/972,330.80
  6. Step 6: Final answer
    x = 1,285,285.80

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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.