Home / 1,138,284.06-1,570,863.69-629,019.24

Finding the Fourth Proportional to 1,138,284.06, 1,570,863.69 and 629,019.24

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Solution

The fourth proportional to 1,138,284.06, 1,570,863.69 and 629,019.24 is: 868,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,284.06 : 1,570,863.69 = 629,019.24 : x
  2. Step 2: Convert to fraction form
    1,138,284.06/1,570,863.69 = 629,019.24/x
  3. Step 3: Cross multiply
    1,138,284.06x = 1,570,863.69 × 629,019.24
  4. Step 4: Simplify right side
    1,138,284.06x = 988,103,484,427.40
  5. Step 5: Solve for x
    x = 988,103,484,427.40/1,138,284.06
  6. Step 6: Final answer
    x = 868,064.06

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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.