Home / 1,275,534-1,913,388.48-422,604

Finding the Fourth Proportional to 1,275,534, 1,913,388.48 and 422,604

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Solution

The fourth proportional to 1,275,534, 1,913,388.48 and 422,604 is: 633,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,534 : 1,913,388.48 = 422,604 : x
  2. Step 2: Convert to fraction form
    1,275,534/1,913,388.48 = 422,604/x
  3. Step 3: Cross multiply
    1,275,534x = 1,913,388.48 × 422,604
  4. Step 4: Simplify right side
    1,275,534x = 808,605,625,201.92
  5. Step 5: Solve for x
    x = 808,605,625,201.92/1,275,534
  6. Step 6: Final answer
    x = 633,934.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.