Home / 972,103.20-1,456,405.20-832,135.20

Finding the Fourth Proportional to 972,103.20, 1,456,405.20 and 832,135.20

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Solution

The fourth proportional to 972,103.20, 1,456,405.20 and 832,135.20 is: 1,246,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,103.20 : 1,456,405.20 = 832,135.20 : x
  2. Step 2: Convert to fraction form
    972,103.20/1,456,405.20 = 832,135.20/x
  3. Step 3: Cross multiply
    972,103.20x = 1,456,405.20 × 832,135.20
  4. Step 4: Simplify right side
    972,103.20x = 1,211,926,032,383.04
  5. Step 5: Solve for x
    x = 1,211,926,032,383.04/972,103.20
  6. Step 6: Final answer
    x = 1,246,705.12

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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.