Home / 1,313,018.95-1,969,738.31-554,867.65

Finding the Fourth Proportional to 1,313,018.95, 1,969,738.31 and 554,867.65

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Solution

The fourth proportional to 1,313,018.95, 1,969,738.31 and 554,867.65 is: 832,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,018.95 : 1,969,738.31 = 554,867.65 : x
  2. Step 2: Convert to fraction form
    1,313,018.95/1,969,738.31 = 554,867.65/x
  3. Step 3: Cross multiply
    1,313,018.95x = 1,969,738.31 × 554,867.65
  4. Step 4: Simplify right side
    1,313,018.95x = 1,092,944,067,184.67
  5. Step 5: Solve for x
    x = 1,092,944,067,184.67/1,313,018.95
  6. Step 6: Final answer
    x = 832,390.17

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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.