Home / 1,087,067.45-1,497,684.57-841,206.71

Finding the Fourth Proportional to 1,087,067.45, 1,497,684.57 and 841,206.71

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Solution

The fourth proportional to 1,087,067.45, 1,497,684.57 and 841,206.71 is: 1,158,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,067.45 : 1,497,684.57 = 841,206.71 : x
  2. Step 2: Convert to fraction form
    1,087,067.45/1,497,684.57 = 841,206.71/x
  3. Step 3: Cross multiply
    1,087,067.45x = 1,497,684.57 × 841,206.71
  4. Step 4: Simplify right side
    1,087,067.45x = 1,259,862,309,747.46
  5. Step 5: Solve for x
    x = 1,259,862,309,747.46/1,087,067.45
  6. Step 6: Final answer
    x = 1,158,955.05

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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.