Home / 1,661,337.13-2,292,646.15-897,390.69

Finding the Fourth Proportional to 1,661,337.13, 2,292,646.15 and 897,390.69

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Solution

The fourth proportional to 1,661,337.13, 2,292,646.15 and 897,390.69 is: 1,238,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,337.13 : 2,292,646.15 = 897,390.69 : x
  2. Step 2: Convert to fraction form
    1,661,337.13/2,292,646.15 = 897,390.69/x
  3. Step 3: Cross multiply
    1,661,337.13x = 2,292,646.15 × 897,390.69
  4. Step 4: Simplify right side
    1,661,337.13x = 2,057,399,310,474.34
  5. Step 5: Solve for x
    x = 2,057,399,310,474.34/1,661,337.13
  6. Step 6: Final answer
    x = 1,238,399.64

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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.