Home / 1,083,703.64-1,625,231.37-679,509.78

Finding the Fourth Proportional to 1,083,703.64, 1,625,231.37 and 679,509.78

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Solution

The fourth proportional to 1,083,703.64, 1,625,231.37 and 679,509.78 is: 1,019,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,703.64 : 1,625,231.37 = 679,509.78 : x
  2. Step 2: Convert to fraction form
    1,083,703.64/1,625,231.37 = 679,509.78/x
  3. Step 3: Cross multiply
    1,083,703.64x = 1,625,231.37 × 679,509.78
  4. Step 4: Simplify right side
    1,083,703.64x = 1,104,360,605,857.26
  5. Step 5: Solve for x
    x = 1,104,360,605,857.26/1,083,703.64
  6. Step 6: Final answer
    x = 1,019,061.45

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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.