Home / 1,804,022.56-2,489,519.64-988,242.40

Finding the Fourth Proportional to 1,804,022.56, 2,489,519.64 and 988,242.40

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Solution

The fourth proportional to 1,804,022.56, 2,489,519.64 and 988,242.40 is: 1,363,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,022.56 : 2,489,519.64 = 988,242.40 : x
  2. Step 2: Convert to fraction form
    1,804,022.56/2,489,519.64 = 988,242.40/x
  3. Step 3: Cross multiply
    1,804,022.56x = 2,489,519.64 × 988,242.40
  4. Step 4: Simplify right side
    1,804,022.56x = 2,460,248,863,880.74
  5. Step 5: Solve for x
    x = 2,460,248,863,880.74/1,804,022.56
  6. Step 6: Final answer
    x = 1,363,757.26

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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.