Home / 1,490,454.83-2,057,095.89-878,571.24

Finding the Fourth Proportional to 1,490,454.83, 2,057,095.89 and 878,571.24

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Solution

The fourth proportional to 1,490,454.83, 2,057,095.89 and 878,571.24 is: 1,212,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,454.83 : 2,057,095.89 = 878,571.24 : x
  2. Step 2: Convert to fraction form
    1,490,454.83/2,057,095.89 = 878,571.24/x
  3. Step 3: Cross multiply
    1,490,454.83x = 2,057,095.89 × 878,571.24
  4. Step 4: Simplify right side
    1,490,454.83x = 1,807,305,286,876.20
  5. Step 5: Solve for x
    x = 1,807,305,286,876.20/1,490,454.83
  6. Step 6: Final answer
    x = 1,212,586.42

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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.