Home / 1,804,818.11-2,490,649.40-1,079,696.03

Finding the Fourth Proportional to 1,804,818.11, 2,490,649.40 and 1,079,696.03

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Solution

The fourth proportional to 1,804,818.11, 2,490,649.40 and 1,079,696.03 is: 1,489,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,818.11 : 2,490,649.40 = 1,079,696.03 : x
  2. Step 2: Convert to fraction form
    1,804,818.11/2,490,649.40 = 1,079,696.03/x
  3. Step 3: Cross multiply
    1,804,818.11x = 2,490,649.40 × 1,079,696.03
  4. Step 4: Simplify right side
    1,804,818.11x = 2,689,144,263,903.40
  5. Step 5: Solve for x
    x = 2,689,144,263,903.40/1,804,818.11
  6. Step 6: Final answer
    x = 1,489,980.76

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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.