Home / 1,138,648.14-1,570,712.36-730,295.55

Finding the Fourth Proportional to 1,138,648.14, 1,570,712.36 and 730,295.55

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Solution

The fourth proportional to 1,138,648.14, 1,570,712.36 and 730,295.55 is: 1,007,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,648.14 : 1,570,712.36 = 730,295.55 : x
  2. Step 2: Convert to fraction form
    1,138,648.14/1,570,712.36 = 730,295.55/x
  3. Step 3: Cross multiply
    1,138,648.14x = 1,570,712.36 × 730,295.55
  4. Step 4: Simplify right side
    1,138,648.14x = 1,147,084,243,186.52
  5. Step 5: Solve for x
    x = 1,147,084,243,186.52/1,138,648.14
  6. Step 6: Final answer
    x = 1,007,408.88

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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.