Home / 1,440.04-2,159.19-606.10

Finding the Fourth Proportional to 1,440.04, 2,159.19 and 606.10

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Solution

The fourth proportional to 1,440.04, 2,159.19 and 606.10 is: 908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.04 : 2,159.19 = 606.10 : x
  2. Step 2: Convert to fraction form
    1,440.04/2,159.19 = 606.10/x
  3. Step 3: Cross multiply
    1,440.04x = 2,159.19 × 606.10
  4. Step 4: Simplify right side
    1,440.04x = 1,308,685.06
  5. Step 5: Solve for x
    x = 1,308,685.06/1,440.04
  6. Step 6: Final answer
    x = 908.78

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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.