Home / 1,804,385.40-2,489,935.20-988,587.96

Finding the Fourth Proportional to 1,804,385.40, 2,489,935.20 and 988,587.96

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Solution

The fourth proportional to 1,804,385.40, 2,489,935.20 and 988,587.96 is: 1,364,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,385.40 : 2,489,935.20 = 988,587.96 : x
  2. Step 2: Convert to fraction form
    1,804,385.40/2,489,935.20 = 988,587.96/x
  3. Step 3: Cross multiply
    1,804,385.40x = 2,489,935.20 × 988,587.96
  4. Step 4: Simplify right side
    1,804,385.40x = 2,461,519,959,900.19
  5. Step 5: Solve for x
    x = 2,461,519,959,900.19/1,804,385.40
  6. Step 6: Final answer
    x = 1,364,187.47

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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.