Home / 1,301,687.80-1,954,281.30-830,462.20

Finding the Fourth Proportional to 1,301,687.80, 1,954,281.30 and 830,462.20

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Solution

The fourth proportional to 1,301,687.80, 1,954,281.30 and 830,462.20 is: 1,246,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,687.80 : 1,954,281.30 = 830,462.20 : x
  2. Step 2: Convert to fraction form
    1,301,687.80/1,954,281.30 = 830,462.20/x
  3. Step 3: Cross multiply
    1,301,687.80x = 1,954,281.30 × 830,462.20
  4. Step 4: Simplify right side
    1,301,687.80x = 1,622,956,747,816.86
  5. Step 5: Solve for x
    x = 1,622,956,747,816.86/1,301,687.80
  6. Step 6: Final answer
    x = 1,246,809.53

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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.