Home / 972,192.70-1,458,289.05-917,080.30

Finding the Fourth Proportional to 972,192.70, 1,458,289.05 and 917,080.30

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Solution

The fourth proportional to 972,192.70, 1,458,289.05 and 917,080.30 is: 1,375,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,192.70 : 1,458,289.05 = 917,080.30 : x
  2. Step 2: Convert to fraction form
    972,192.70/1,458,289.05 = 917,080.30/x
  3. Step 3: Cross multiply
    972,192.70x = 1,458,289.05 × 917,080.30
  4. Step 4: Simplify right side
    972,192.70x = 1,337,368,159,460.72
  5. Step 5: Solve for x
    x = 1,337,368,159,460.72/972,192.70
  6. Step 6: Final answer
    x = 1,375,620.45

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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.