Home / 1,017,921.54-1,404,795.03-565,215.78

Finding the Fourth Proportional to 1,017,921.54, 1,404,795.03 and 565,215.78

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Solution

The fourth proportional to 1,017,921.54, 1,404,795.03 and 565,215.78 is: 780,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,921.54 : 1,404,795.03 = 565,215.78 : x
  2. Step 2: Convert to fraction form
    1,017,921.54/1,404,795.03 = 565,215.78/x
  3. Step 3: Cross multiply
    1,017,921.54x = 1,404,795.03 × 565,215.78
  4. Step 4: Simplify right side
    1,017,921.54x = 794,012,318,621.57
  5. Step 5: Solve for x
    x = 794,012,318,621.57/1,017,921.54
  6. Step 6: Final answer
    x = 780,032.93

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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.