Home / 1,458,915.12-2,013,638.78-855,497.52

Finding the Fourth Proportional to 1,458,915.12, 2,013,638.78 and 855,497.52

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Solution

The fourth proportional to 1,458,915.12, 2,013,638.78 and 855,497.52 is: 1,180,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,915.12 : 2,013,638.78 = 855,497.52 : x
  2. Step 2: Convert to fraction form
    1,458,915.12/2,013,638.78 = 855,497.52/x
  3. Step 3: Cross multiply
    1,458,915.12x = 2,013,638.78 × 855,497.52
  4. Step 4: Simplify right side
    1,458,915.12x = 1,722,662,982,465.83
  5. Step 5: Solve for x
    x = 1,722,662,982,465.83/1,458,915.12
  6. Step 6: Final answer
    x = 1,180,783.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.