Home / 1,585,787.12-2,378,680.67-387,695.21

Finding the Fourth Proportional to 1,585,787.12, 2,378,680.67 and 387,695.21

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Solution

The fourth proportional to 1,585,787.12, 2,378,680.67 and 387,695.21 is: 581,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,787.12 : 2,378,680.67 = 387,695.21 : x
  2. Step 2: Convert to fraction form
    1,585,787.12/2,378,680.67 = 387,695.21/x
  3. Step 3: Cross multiply
    1,585,787.12x = 2,378,680.67 × 387,695.21
  4. Step 4: Simplify right side
    1,585,787.12x = 922,203,090,954.43
  5. Step 5: Solve for x
    x = 922,203,090,954.43/1,585,787.12
  6. Step 6: Final answer
    x = 581,542.81

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1.5x scale

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.