Home / 1,023,820.13-1,413,383.29-636,760.32

Finding the Fourth Proportional to 1,023,820.13, 1,413,383.29 and 636,760.32

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Solution

The fourth proportional to 1,023,820.13, 1,413,383.29 and 636,760.32 is: 879,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,820.13 : 1,413,383.29 = 636,760.32 : x
  2. Step 2: Convert to fraction form
    1,023,820.13/1,413,383.29 = 636,760.32/x
  3. Step 3: Cross multiply
    1,023,820.13x = 1,413,383.29 × 636,760.32
  4. Step 4: Simplify right side
    1,023,820.13x = 899,986,389,130.97
  5. Step 5: Solve for x
    x = 899,986,389,130.97/1,023,820.13
  6. Step 6: Final answer
    x = 879,047.36

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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.