Home / 1,261,579.24-1,891,641.68-862,703.25

Finding the Fourth Proportional to 1,261,579.24, 1,891,641.68 and 862,703.25

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Solution

The fourth proportional to 1,261,579.24, 1,891,641.68 and 862,703.25 is: 1,293,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,579.24 : 1,891,641.68 = 862,703.25 : x
  2. Step 2: Convert to fraction form
    1,261,579.24/1,891,641.68 = 862,703.25/x
  3. Step 3: Cross multiply
    1,261,579.24x = 1,891,641.68 × 862,703.25
  4. Step 4: Simplify right side
    1,261,579.24x = 1,631,925,425,171.46
  5. Step 5: Solve for x
    x = 1,631,925,425,171.46/1,261,579.24
  6. Step 6: Final answer
    x = 1,293,557.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.