Home / 972,083.70-1,458,125.55-916,971.30

Finding the Fourth Proportional to 972,083.70, 1,458,125.55 and 916,971.30

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Solution

The fourth proportional to 972,083.70, 1,458,125.55 and 916,971.30 is: 1,375,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,083.70 : 1,458,125.55 = 916,971.30 : x
  2. Step 2: Convert to fraction form
    972,083.70/1,458,125.55 = 916,971.30/x
  3. Step 3: Cross multiply
    972,083.70x = 1,458,125.55 × 916,971.30
  4. Step 4: Simplify right side
    972,083.70x = 1,337,059,281,146.72
  5. Step 5: Solve for x
    x = 1,337,059,281,146.72/972,083.70
  6. Step 6: Final answer
    x = 1,375,456.95

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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.