Home / 1,146,144.66-1,719,117.95-387,969.90

Finding the Fourth Proportional to 1,146,144.66, 1,719,117.95 and 387,969.90

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Solution

The fourth proportional to 1,146,144.66, 1,719,117.95 and 387,969.90 is: 581,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,144.66 : 1,719,117.95 = 387,969.90 : x
  2. Step 2: Convert to fraction form
    1,146,144.66/1,719,117.95 = 387,969.90/x
  3. Step 3: Cross multiply
    1,146,144.66x = 1,719,117.95 × 387,969.90
  4. Step 4: Simplify right side
    1,146,144.66x = 666,966,017,209.86
  5. Step 5: Solve for x
    x = 666,966,017,209.86/1,146,144.66
  6. Step 6: Final answer
    x = 581,921.32

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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.