Home / 1,642,509.82-2,266,439.56-917,265.07

Finding the Fourth Proportional to 1,642,509.82, 2,266,439.56 and 917,265.07

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Solution

The fourth proportional to 1,642,509.82, 2,266,439.56 and 917,265.07 is: 1,265,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,509.82 : 2,266,439.56 = 917,265.07 : x
  2. Step 2: Convert to fraction form
    1,642,509.82/2,266,439.56 = 917,265.07/x
  3. Step 3: Cross multiply
    1,642,509.82x = 2,266,439.56 × 917,265.07
  4. Step 4: Simplify right side
    1,642,509.82x = 2,078,925,841,654.17
  5. Step 5: Solve for x
    x = 2,078,925,841,654.17/1,642,509.82
  6. Step 6: Final answer
    x = 1,265,700.71

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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.