Home / 1,858,734.38-2,786,477.71-720,712.53

Finding the Fourth Proportional to 1,858,734.38, 2,786,477.71 and 720,712.53

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Solution

The fourth proportional to 1,858,734.38, 2,786,477.71 and 720,712.53 is: 1,080,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,734.38 : 2,786,477.71 = 720,712.53 : x
  2. Step 2: Convert to fraction form
    1,858,734.38/2,786,477.71 = 720,712.53/x
  3. Step 3: Cross multiply
    1,858,734.38x = 2,786,477.71 × 720,712.53
  4. Step 4: Simplify right side
    1,858,734.38x = 2,008,249,400,162.71
  5. Step 5: Solve for x
    x = 2,008,249,400,162.71/1,858,734.38
  6. Step 6: Final answer
    x = 1,080,439.15

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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.