Home / 1,004,860-1,386,363.54-622,747.36

Finding the Fourth Proportional to 1,004,860, 1,386,363.54 and 622,747.36

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Solution

The fourth proportional to 1,004,860, 1,386,363.54 and 622,747.36 is: 859,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,860 : 1,386,363.54 = 622,747.36 : x
  2. Step 2: Convert to fraction form
    1,004,860/1,386,363.54 = 622,747.36/x
  3. Step 3: Cross multiply
    1,004,860x = 1,386,363.54 × 622,747.36
  4. Step 4: Simplify right side
    1,004,860x = 863,354,234,535.25
  5. Step 5: Solve for x
    x = 863,354,234,535.25/1,004,860
  6. Step 6: Final answer
    x = 859,178.63

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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.