Home / 1,004,863.74-1,386,158.30-636,667.26

Finding the Fourth Proportional to 1,004,863.74, 1,386,158.30 and 636,667.26

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Solution

The fourth proportional to 1,004,863.74, 1,386,158.30 and 636,667.26 is: 878,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,863.74 : 1,386,158.30 = 636,667.26 : x
  2. Step 2: Convert to fraction form
    1,004,863.74/1,386,158.30 = 636,667.26/x
  3. Step 3: Cross multiply
    1,004,863.74x = 1,386,158.30 × 636,667.26
  4. Step 4: Simplify right side
    1,004,863.74x = 882,521,606,787.26
  5. Step 5: Solve for x
    x = 882,521,606,787.26/1,004,863.74
  6. Step 6: Final answer
    x = 878,250.03

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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.