Home / 1,012,622.38-1,397,362.32-553,645.58

Finding the Fourth Proportional to 1,012,622.38, 1,397,362.32 and 553,645.58

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Solution

The fourth proportional to 1,012,622.38, 1,397,362.32 and 553,645.58 is: 763,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,622.38 : 1,397,362.32 = 553,645.58 : x
  2. Step 2: Convert to fraction form
    1,012,622.38/1,397,362.32 = 553,645.58/x
  3. Step 3: Cross multiply
    1,012,622.38x = 1,397,362.32 × 553,645.58
  4. Step 4: Simplify right side
    1,012,622.38x = 773,643,465,139.73
  5. Step 5: Solve for x
    x = 773,643,465,139.73/1,012,622.38
  6. Step 6: Final answer
    x = 763,999.97

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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.