Home / 1,103,820.88-1,655,731.36-345,721.70

Finding the Fourth Proportional to 1,103,820.88, 1,655,731.36 and 345,721.70

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Solution

The fourth proportional to 1,103,820.88, 1,655,731.36 and 345,721.70 is: 518,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,820.88 : 1,655,731.36 = 345,721.70 : x
  2. Step 2: Convert to fraction form
    1,103,820.88/1,655,731.36 = 345,721.70/x
  3. Step 3: Cross multiply
    1,103,820.88x = 1,655,731.36 × 345,721.70
  4. Step 4: Simplify right side
    1,103,820.88x = 572,422,260,522.51
  5. Step 5: Solve for x
    x = 572,422,260,522.51/1,103,820.88
  6. Step 6: Final answer
    x = 518,582.56

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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.