Home / 866,912.20-1,300,368.30-761,936.20

Finding the Fourth Proportional to 866,912.20, 1,300,368.30 and 761,936.20

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Solution

The fourth proportional to 866,912.20, 1,300,368.30 and 761,936.20 is: 1,142,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,912.20 : 1,300,368.30 = 761,936.20 : x
  2. Step 2: Convert to fraction form
    866,912.20/1,300,368.30 = 761,936.20/x
  3. Step 3: Cross multiply
    866,912.20x = 1,300,368.30 × 761,936.20
  4. Step 4: Simplify right side
    866,912.20x = 990,797,681,102.46
  5. Step 5: Solve for x
    x = 990,797,681,102.46/866,912.20
  6. Step 6: Final answer
    x = 1,142,904.30

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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.