Home / 1,314,612.76-1,972,032.06-461,611.09

Finding the Fourth Proportional to 1,314,612.76, 1,972,032.06 and 461,611.09

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Solution

The fourth proportional to 1,314,612.76, 1,972,032.06 and 461,611.09 is: 692,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,612.76 : 1,972,032.06 = 461,611.09 : x
  2. Step 2: Convert to fraction form
    1,314,612.76/1,972,032.06 = 461,611.09/x
  3. Step 3: Cross multiply
    1,314,612.76x = 1,972,032.06 × 461,611.09
  4. Step 4: Simplify right side
    1,314,612.76x = 910,311,868,731.55
  5. Step 5: Solve for x
    x = 910,311,868,731.55/1,314,612.76
  6. Step 6: Final answer
    x = 692,456.29

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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.