Home / 1,109,818.80-1,664,785.59-351,740.81

Finding the Fourth Proportional to 1,109,818.80, 1,664,785.59 and 351,740.81

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Solution

The fourth proportional to 1,109,818.80, 1,664,785.59 and 351,740.81 is: 527,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,818.80 : 1,664,785.59 = 351,740.81 : x
  2. Step 2: Convert to fraction form
    1,109,818.80/1,664,785.59 = 351,740.81/x
  3. Step 3: Cross multiply
    1,109,818.80x = 1,664,785.59 × 351,740.81
  4. Step 4: Simplify right side
    1,109,818.80x = 585,573,023,579
  5. Step 5: Solve for x
    x = 585,573,023,579/1,109,818.80
  6. Step 6: Final answer
    x = 527,629.40

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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.