Home / 1,073,021.93-1,480,899-643,538.33

Finding the Fourth Proportional to 1,073,021.93, 1,480,899 and 643,538.33

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Solution

The fourth proportional to 1,073,021.93, 1,480,899 and 643,538.33 is: 888,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,021.93 : 1,480,899 = 643,538.33 : x
  2. Step 2: Convert to fraction form
    1,073,021.93/1,480,899 = 643,538.33/x
  3. Step 3: Cross multiply
    1,073,021.93x = 1,480,899 × 643,538.33
  4. Step 4: Simplify right side
    1,073,021.93x = 953,015,261,954.18
  5. Step 5: Solve for x
    x = 953,015,261,954.18/1,073,021.93
  6. Step 6: Final answer
    x = 888,160.10

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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.