Home / 1,313,407.70-1,970,111.55-841,015.70

Finding the Fourth Proportional to 1,313,407.70, 1,970,111.55 and 841,015.70

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Solution

The fourth proportional to 1,313,407.70, 1,970,111.55 and 841,015.70 is: 1,261,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,407.70 : 1,970,111.55 = 841,015.70 : x
  2. Step 2: Convert to fraction form
    1,313,407.70/1,970,111.55 = 841,015.70/x
  3. Step 3: Cross multiply
    1,313,407.70x = 1,970,111.55 × 841,015.70
  4. Step 4: Simplify right side
    1,313,407.70x = 1,656,894,744,301.34
  5. Step 5: Solve for x
    x = 1,656,894,744,301.34/1,313,407.70
  6. Step 6: Final answer
    x = 1,261,523.55

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Similar ratio
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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.