Home / 1,420,143.40-2,131,527.30-710,680.60

Finding the Fourth Proportional to 1,420,143.40, 2,131,527.30 and 710,680.60

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Solution

The fourth proportional to 1,420,143.40, 2,131,527.30 and 710,680.60 is: 1,066,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,143.40 : 2,131,527.30 = 710,680.60 : x
  2. Step 2: Convert to fraction form
    1,420,143.40/2,131,527.30 = 710,680.60/x
  3. Step 3: Cross multiply
    1,420,143.40x = 2,131,527.30 × 710,680.60
  4. Step 4: Simplify right side
    1,420,143.40x = 1,514,835,100,480.38
  5. Step 5: Solve for x
    x = 1,514,835,100,480.38/1,420,143.40
  6. Step 6: Final answer
    x = 1,066,677.56

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Double scale
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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.