Home / 1,057,279.02-1,585,904.78-258,567.48

Finding the Fourth Proportional to 1,057,279.02, 1,585,904.78 and 258,567.48

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Solution

The fourth proportional to 1,057,279.02, 1,585,904.78 and 258,567.48 is: 387,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,279.02 : 1,585,904.78 = 258,567.48 : x
  2. Step 2: Convert to fraction form
    1,057,279.02/1,585,904.78 = 258,567.48/x
  3. Step 3: Cross multiply
    1,057,279.02x = 1,585,904.78 × 258,567.48
  4. Step 4: Simplify right side
    1,057,279.02x = 410,063,403,130.97
  5. Step 5: Solve for x
    x = 410,063,403,130.97/1,057,279.02
  6. Step 6: Final answer
    x = 387,847.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.