Home / 1,723,887.05-2,378,964.02-999,155.15

Finding the Fourth Proportional to 1,723,887.05, 2,378,964.02 and 999,155.15

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Solution

The fourth proportional to 1,723,887.05, 2,378,964.02 and 999,155.15 is: 1,378,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,887.05 : 2,378,964.02 = 999,155.15 : x
  2. Step 2: Convert to fraction form
    1,723,887.05/2,378,964.02 = 999,155.15/x
  3. Step 3: Cross multiply
    1,723,887.05x = 2,378,964.02 × 999,155.15
  4. Step 4: Simplify right side
    1,723,887.05x = 2,376,954,135,357.11
  5. Step 5: Solve for x
    x = 2,376,954,135,357.11/1,723,887.05
  6. Step 6: Final answer
    x = 1,378,834.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.