Home / 1,375,860.85-1,898,862.78-832,000.39

Finding the Fourth Proportional to 1,375,860.85, 1,898,862.78 and 832,000.39

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Solution

The fourth proportional to 1,375,860.85, 1,898,862.78 and 832,000.39 is: 1,148,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,860.85 : 1,898,862.78 = 832,000.39 : x
  2. Step 2: Convert to fraction form
    1,375,860.85/1,898,862.78 = 832,000.39/x
  3. Step 3: Cross multiply
    1,375,860.85x = 1,898,862.78 × 832,000.39
  4. Step 4: Simplify right side
    1,375,860.85x = 1,579,854,573,516.48
  5. Step 5: Solve for x
    x = 1,579,854,573,516.48/1,375,860.85
  6. Step 6: Final answer
    x = 1,148,266.25

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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.