Home / 1,521,342.02-2,278,390.45-880,294.78

Finding the Fourth Proportional to 1,521,342.02, 2,278,390.45 and 880,294.78

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Solution

The fourth proportional to 1,521,342.02, 2,278,390.45 and 880,294.78 is: 1,318,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,342.02 : 2,278,390.45 = 880,294.78 : x
  2. Step 2: Convert to fraction form
    1,521,342.02/2,278,390.45 = 880,294.78/x
  3. Step 3: Cross multiply
    1,521,342.02x = 2,278,390.45 × 880,294.78
  4. Step 4: Simplify right side
    1,521,342.02x = 2,005,655,210,862.83
  5. Step 5: Solve for x
    x = 2,005,655,210,862.83/1,521,342.02
  6. Step 6: Final answer
    x = 1,318,346.03

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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.