Home / 1,199,585.72-1,655,428.37-655,723.66

Finding the Fourth Proportional to 1,199,585.72, 1,655,428.37 and 655,723.66

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Solution

The fourth proportional to 1,199,585.72, 1,655,428.37 and 655,723.66 is: 904,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,585.72 : 1,655,428.37 = 655,723.66 : x
  2. Step 2: Convert to fraction form
    1,199,585.72/1,655,428.37 = 655,723.66/x
  3. Step 3: Cross multiply
    1,199,585.72x = 1,655,428.37 × 655,723.66
  4. Step 4: Simplify right side
    1,199,585.72x = 1,085,503,549,644.23
  5. Step 5: Solve for x
    x = 1,085,503,549,644.23/1,199,585.72
  6. Step 6: Final answer
    x = 904,898.69

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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.