Home / 1,012,782.64-1,518,947.97-302,718.43

Finding the Fourth Proportional to 1,012,782.64, 1,518,947.97 and 302,718.43

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Solution

The fourth proportional to 1,012,782.64, 1,518,947.97 and 302,718.43 is: 454,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,782.64 : 1,518,947.97 = 302,718.43 : x
  2. Step 2: Convert to fraction form
    1,012,782.64/1,518,947.97 = 302,718.43/x
  3. Step 3: Cross multiply
    1,012,782.64x = 1,518,947.97 × 302,718.43
  4. Step 4: Simplify right side
    1,012,782.64x = 459,813,544,730.09
  5. Step 5: Solve for x
    x = 459,813,544,730.09/1,012,782.64
  6. Step 6: Final answer
    x = 454,010.10

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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.