Home / 1,017,155.76-1,403,660.16-581,568.72

Finding the Fourth Proportional to 1,017,155.76, 1,403,660.16 and 581,568.72

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Solution

The fourth proportional to 1,017,155.76, 1,403,660.16 and 581,568.72 is: 802,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,155.76 : 1,403,660.16 = 581,568.72 : x
  2. Step 2: Convert to fraction form
    1,017,155.76/1,403,660.16 = 581,568.72/x
  3. Step 3: Cross multiply
    1,017,155.76x = 1,403,660.16 × 581,568.72
  4. Step 4: Simplify right side
    1,017,155.76x = 816,324,842,566.20
  5. Step 5: Solve for x
    x = 816,324,842,566.20/1,017,155.76
  6. Step 6: Final answer
    x = 802,556.38

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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.