Home / 1,199,156.27-1,655,004.40-763,434.42

Finding the Fourth Proportional to 1,199,156.27, 1,655,004.40 and 763,434.42

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Solution

The fourth proportional to 1,199,156.27, 1,655,004.40 and 763,434.42 is: 1,053,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,156.27 : 1,655,004.40 = 763,434.42 : x
  2. Step 2: Convert to fraction form
    1,199,156.27/1,655,004.40 = 763,434.42/x
  3. Step 3: Cross multiply
    1,199,156.27x = 1,655,004.40 × 763,434.42
  4. Step 4: Simplify right side
    1,199,156.27x = 1,263,487,315,936.43
  5. Step 5: Solve for x
    x = 1,263,487,315,936.43/1,199,156.27
  6. Step 6: Final answer
    x = 1,053,646.93

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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.