Home / 1,678,981.24-2,519,213.84-880,071.76

Finding the Fourth Proportional to 1,678,981.24, 2,519,213.84 and 880,071.76

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Solution

The fourth proportional to 1,678,981.24, 2,519,213.84 and 880,071.76 is: 1,320,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,981.24 : 2,519,213.84 = 880,071.76 : x
  2. Step 2: Convert to fraction form
    1,678,981.24/2,519,213.84 = 880,071.76/x
  3. Step 3: Cross multiply
    1,678,981.24x = 2,519,213.84 × 880,071.76
  4. Step 4: Simplify right side
    1,678,981.24x = 2,217,088,957,985.16
  5. Step 5: Solve for x
    x = 2,217,088,957,985.16/1,678,981.24
  6. Step 6: Final answer
    x = 1,320,496.56

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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.