Home / 1,341,261.60-2,006,643.60-868,869.60

Finding the Fourth Proportional to 1,341,261.60, 2,006,643.60 and 868,869.60

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Solution

The fourth proportional to 1,341,261.60, 2,006,643.60 and 868,869.60 is: 1,299,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,261.60 : 2,006,643.60 = 868,869.60 : x
  2. Step 2: Convert to fraction form
    1,341,261.60/2,006,643.60 = 868,869.60/x
  3. Step 3: Cross multiply
    1,341,261.60x = 2,006,643.60 × 868,869.60
  4. Step 4: Simplify right side
    1,341,261.60x = 1,743,511,622,074.56
  5. Step 5: Solve for x
    x = 1,743,511,622,074.56/1,341,261.60
  6. Step 6: Final answer
    x = 1,299,904.23

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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.