Home / 1,448,399.31-1,998,586.65-867,486.32

Finding the Fourth Proportional to 1,448,399.31, 1,998,586.65 and 867,486.32

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Solution

The fourth proportional to 1,448,399.31, 1,998,586.65 and 867,486.32 is: 1,197,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,399.31 : 1,998,586.65 = 867,486.32 : x
  2. Step 2: Convert to fraction form
    1,448,399.31/1,998,586.65 = 867,486.32/x
  3. Step 3: Cross multiply
    1,448,399.31x = 1,998,586.65 × 867,486.32
  4. Step 4: Simplify right side
    1,448,399.31x = 1,733,746,581,579.56
  5. Step 5: Solve for x
    x = 1,733,746,581,579.56/1,448,399.31
  6. Step 6: Final answer
    x = 1,197,008.70

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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.