Home / 1,137,209.85-1,569,326.27-620,979.44

Finding the Fourth Proportional to 1,137,209.85, 1,569,326.27 and 620,979.44

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Solution

The fourth proportional to 1,137,209.85, 1,569,326.27 and 620,979.44 is: 856,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,209.85 : 1,569,326.27 = 620,979.44 : x
  2. Step 2: Convert to fraction form
    1,137,209.85/1,569,326.27 = 620,979.44/x
  3. Step 3: Cross multiply
    1,137,209.85x = 1,569,326.27 × 620,979.44
  4. Step 4: Simplify right side
    1,137,209.85x = 974,519,337,370.36
  5. Step 5: Solve for x
    x = 974,519,337,370.36/1,137,209.85
  6. Step 6: Final answer
    x = 856,938.88

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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.