Home / 1,508,574-2,081,238.32-863,646.56

Finding the Fourth Proportional to 1,508,574, 2,081,238.32 and 863,646.56

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Solution

The fourth proportional to 1,508,574, 2,081,238.32 and 863,646.56 is: 1,191,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,574 : 2,081,238.32 = 863,646.56 : x
  2. Step 2: Convert to fraction form
    1,508,574/2,081,238.32 = 863,646.56/x
  3. Step 3: Cross multiply
    1,508,574x = 2,081,238.32 × 863,646.56
  4. Step 4: Simplify right side
    1,508,574x = 1,797,454,315,608.18
  5. Step 5: Solve for x
    x = 1,797,454,315,608.18/1,508,574
  6. Step 6: Final answer
    x = 1,191,492.31

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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.