Home / 1,390,915.68-2,086,373.52-759,485.04

Finding the Fourth Proportional to 1,390,915.68, 2,086,373.52 and 759,485.04

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Solution

The fourth proportional to 1,390,915.68, 2,086,373.52 and 759,485.04 is: 1,139,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,915.68 : 2,086,373.52 = 759,485.04 : x
  2. Step 2: Convert to fraction form
    1,390,915.68/2,086,373.52 = 759,485.04/x
  3. Step 3: Cross multiply
    1,390,915.68x = 2,086,373.52 × 759,485.04
  4. Step 4: Simplify right side
    1,390,915.68x = 1,584,569,476,292.14
  5. Step 5: Solve for x
    x = 1,584,569,476,292.14/1,390,915.68
  6. Step 6: Final answer
    x = 1,139,227.56

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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.