Home / 1,103,818.93-1,655,728.40-345,719.70

Finding the Fourth Proportional to 1,103,818.93, 1,655,728.40 and 345,719.70

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Solution

The fourth proportional to 1,103,818.93, 1,655,728.40 and 345,719.70 is: 518,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,818.93 : 1,655,728.40 = 345,719.70 : x
  2. Step 2: Convert to fraction form
    1,103,818.93/1,655,728.40 = 345,719.70/x
  3. Step 3: Cross multiply
    1,103,818.93x = 1,655,728.40 × 345,719.70
  4. Step 4: Simplify right side
    1,103,818.93x = 572,417,926,593.78
  5. Step 5: Solve for x
    x = 572,417,926,593.78/1,103,818.93
  6. Step 6: Final answer
    x = 518,579.55

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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.