Home / 1,403,456.87-1,936,294.76-1,144,886.84

Finding the Fourth Proportional to 1,403,456.87, 1,936,294.76 and 1,144,886.84

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Solution

The fourth proportional to 1,403,456.87, 1,936,294.76 and 1,144,886.84 is: 1,579,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,456.87 : 1,936,294.76 = 1,144,886.84 : x
  2. Step 2: Convert to fraction form
    1,403,456.87/1,936,294.76 = 1,144,886.84/x
  3. Step 3: Cross multiply
    1,403,456.87x = 1,936,294.76 × 1,144,886.84
  4. Step 4: Simplify right side
    1,403,456.87x = 2,216,838,373,679.05
  5. Step 5: Solve for x
    x = 2,216,838,373,679.05/1,403,456.87
  6. Step 6: Final answer
    x = 1,579,555.76

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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.