Home / 1,199,156.41-1,655,004.61-763,434.56

Finding the Fourth Proportional to 1,199,156.41, 1,655,004.61 and 763,434.56

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Solution

The fourth proportional to 1,199,156.41, 1,655,004.61 and 763,434.56 is: 1,053,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,156.41 : 1,655,004.61 = 763,434.56 : x
  2. Step 2: Convert to fraction form
    1,199,156.41/1,655,004.61 = 763,434.56/x
  3. Step 3: Cross multiply
    1,199,156.41x = 1,655,004.61 × 763,434.56
  4. Step 4: Simplify right side
    1,199,156.41x = 1,263,487,721,325.13
  5. Step 5: Solve for x
    x = 1,263,487,721,325.13/1,199,156.41
  6. Step 6: Final answer
    x = 1,053,647.14

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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.