Home / 1,201,139.22-1,655,552.00-910,654.59

Finding the Fourth Proportional to 1,201,139.22, 1,655,552.00 and 910,654.59

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Solution

The fourth proportional to 1,201,139.22, 1,655,552.00 and 910,654.59 is: 1,255,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,139.22 : 1,655,552.00 = 910,654.59 : x
  2. Step 2: Convert to fraction form
    1,201,139.22/1,655,552.00 = 910,654.59/x
  3. Step 3: Cross multiply
    1,201,139.22x = 1,655,552.00 × 910,654.59
  4. Step 4: Simplify right side
    1,201,139.22x = 1,507,636,031,146.20
  5. Step 5: Solve for x
    x = 1,507,636,031,146.20/1,201,139.22
  6. Step 6: Final answer
    x = 1,255,171.76

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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.