Home / 1,661,218.60-2,292,483.28-897,272.16

Finding the Fourth Proportional to 1,661,218.60, 2,292,483.28 and 897,272.16

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Solution

The fourth proportional to 1,661,218.60, 2,292,483.28 and 897,272.16 is: 1,238,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,218.60 : 2,292,483.28 = 897,272.16 : x
  2. Step 2: Convert to fraction form
    1,661,218.60/2,292,483.28 = 897,272.16/x
  3. Step 3: Cross multiply
    1,661,218.60x = 2,292,483.28 × 897,272.16
  4. Step 4: Simplify right side
    1,661,218.60x = 2,056,981,424,409.48
  5. Step 5: Solve for x
    x = 2,056,981,424,409.48/1,661,218.60
  6. Step 6: Final answer
    x = 1,238,236.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.