Home / 1,376,531.70-2,064,797.55-618,736.20

Finding the Fourth Proportional to 1,376,531.70, 2,064,797.55 and 618,736.20

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Solution

The fourth proportional to 1,376,531.70, 2,064,797.55 and 618,736.20 is: 928,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,531.70 : 2,064,797.55 = 618,736.20 : x
  2. Step 2: Convert to fraction form
    1,376,531.70/2,064,797.55 = 618,736.20/x
  3. Step 3: Cross multiply
    1,376,531.70x = 2,064,797.55 × 618,736.20
  4. Step 4: Simplify right side
    1,376,531.70x = 1,277,564,989,856.31
  5. Step 5: Solve for x
    x = 1,277,564,989,856.31/1,376,531.70
  6. Step 6: Final answer
    x = 928,104.30

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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.