Home / 1,040,019.40-1,435,893.78-849,490.12

Finding the Fourth Proportional to 1,040,019.40, 1,435,893.78 and 849,490.12

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Solution

The fourth proportional to 1,040,019.40, 1,435,893.78 and 849,490.12 is: 1,172,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,019.40 : 1,435,893.78 = 849,490.12 : x
  2. Step 2: Convert to fraction form
    1,040,019.40/1,435,893.78 = 849,490.12/x
  3. Step 3: Cross multiply
    1,040,019.40x = 1,435,893.78 × 849,490.12
  4. Step 4: Simplify right side
    1,040,019.40x = 1,219,777,579,479.45
  5. Step 5: Solve for x
    x = 1,219,777,579,479.45/1,040,019.40
  6. Step 6: Final answer
    x = 1,172,841.18

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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.