Home / 1,485,278.29-2,049,534.44-840,586.23

Finding the Fourth Proportional to 1,485,278.29, 2,049,534.44 and 840,586.23

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Solution

The fourth proportional to 1,485,278.29, 2,049,534.44 and 840,586.23 is: 1,159,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,278.29 : 2,049,534.44 = 840,586.23 : x
  2. Step 2: Convert to fraction form
    1,485,278.29/2,049,534.44 = 840,586.23/x
  3. Step 3: Cross multiply
    1,485,278.29x = 2,049,534.44 × 840,586.23
  4. Step 4: Simplify right side
    1,485,278.29x = 1,722,810,428,174.76
  5. Step 5: Solve for x
    x = 1,722,810,428,174.76/1,485,278.29
  6. Step 6: Final answer
    x = 1,159,924.33

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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.