Home / 1,804,753.50-2,490,560.10-1,079,631.78

Finding the Fourth Proportional to 1,804,753.50, 2,490,560.10 and 1,079,631.78

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Solution

The fourth proportional to 1,804,753.50, 2,490,560.10 and 1,079,631.78 is: 1,489,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,753.50 : 2,490,560.10 = 1,079,631.78 : x
  2. Step 2: Convert to fraction form
    1,804,753.50/2,490,560.10 = 1,079,631.78/x
  3. Step 3: Cross multiply
    1,804,753.50x = 2,490,560.10 × 1,079,631.78
  4. Step 4: Simplify right side
    1,804,753.50x = 2,688,887,833,959.98
  5. Step 5: Solve for x
    x = 2,688,887,833,959.98/1,804,753.50
  6. Step 6: Final answer
    x = 1,489,892.02

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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.