Home / 1,130,963.52-1,560,720.48-621,660.48

Finding the Fourth Proportional to 1,130,963.52, 1,560,720.48 and 621,660.48

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Solution

The fourth proportional to 1,130,963.52, 1,560,720.48 and 621,660.48 is: 857,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,963.52 : 1,560,720.48 = 621,660.48 : x
  2. Step 2: Convert to fraction form
    1,130,963.52/1,560,720.48 = 621,660.48/x
  3. Step 3: Cross multiply
    1,130,963.52x = 1,560,720.48 × 621,660.48
  4. Step 4: Simplify right side
    1,130,963.52x = 970,238,242,742.63
  5. Step 5: Solve for x
    x = 970,238,242,742.63/1,130,963.52
  6. Step 6: Final answer
    x = 857,886.42

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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.