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Finding the Fourth Proportional to 702,574.60, 1,053,864.60 and 170,094.82

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Solution

The fourth proportional to 702,574.60, 1,053,864.60 and 170,094.82 is: 255,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,574.60 : 1,053,864.60 = 170,094.82 : x
  2. Step 2: Convert to fraction form
    702,574.60/1,053,864.60 = 170,094.82/x
  3. Step 3: Cross multiply
    702,574.60x = 1,053,864.60 × 170,094.82
  4. Step 4: Simplify right side
    702,574.60x = 179,256,909,441.37
  5. Step 5: Solve for x
    x = 179,256,909,441.37/702,574.60
  6. Step 6: Final answer
    x = 255,142.88

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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.