Home / 1,515,124.16-2,090,915.78-826,840.46

Finding the Fourth Proportional to 1,515,124.16, 2,090,915.78 and 826,840.46

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Solution

The fourth proportional to 1,515,124.16, 2,090,915.78 and 826,840.46 is: 1,141,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,124.16 : 2,090,915.78 = 826,840.46 : x
  2. Step 2: Convert to fraction form
    1,515,124.16/2,090,915.78 = 826,840.46/x
  3. Step 3: Cross multiply
    1,515,124.16x = 2,090,915.78 × 826,840.46
  4. Step 4: Simplify right side
    1,515,124.16x = 1,728,853,750,767.68
  5. Step 5: Solve for x
    x = 1,728,853,750,767.68/1,515,124.16
  6. Step 6: Final answer
    x = 1,141,064.08

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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.