Home / 1,302,679.80-1,955,769.30-831,454.20

Finding the Fourth Proportional to 1,302,679.80, 1,955,769.30 and 831,454.20

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Solution

The fourth proportional to 1,302,679.80, 1,955,769.30 and 831,454.20 is: 1,248,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,679.80 : 1,955,769.30 = 831,454.20 : x
  2. Step 2: Convert to fraction form
    1,302,679.80/1,955,769.30 = 831,454.20/x
  3. Step 3: Cross multiply
    1,302,679.80x = 1,955,769.30 × 831,454.20
  4. Step 4: Simplify right side
    1,302,679.80x = 1,626,132,598,716.06
  5. Step 5: Solve for x
    x = 1,626,132,598,716.06/1,302,679.80
  6. Step 6: Final answer
    x = 1,248,298.01

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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.