Home / 1,320,458.22-1,823,079.12-907,681.38

Finding the Fourth Proportional to 1,320,458.22, 1,823,079.12 and 907,681.38

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Solution

The fourth proportional to 1,320,458.22, 1,823,079.12 and 907,681.38 is: 1,253,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,458.22 : 1,823,079.12 = 907,681.38 : x
  2. Step 2: Convert to fraction form
    1,320,458.22/1,823,079.12 = 907,681.38/x
  3. Step 3: Cross multiply
    1,320,458.22x = 1,823,079.12 × 907,681.38
  4. Step 4: Simplify right side
    1,320,458.22x = 1,654,774,971,490.79
  5. Step 5: Solve for x
    x = 1,654,774,971,490.79/1,320,458.22
  6. Step 6: Final answer
    x = 1,253,182.38

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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.