Home / 1,295,501.88-1,787,794.98-722,578.98

Finding the Fourth Proportional to 1,295,501.88, 1,787,794.98 and 722,578.98

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Solution

The fourth proportional to 1,295,501.88, 1,787,794.98 and 722,578.98 is: 997,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,501.88 : 1,787,794.98 = 722,578.98 : x
  2. Step 2: Convert to fraction form
    1,295,501.88/1,787,794.98 = 722,578.98/x
  3. Step 3: Cross multiply
    1,295,501.88x = 1,787,794.98 × 722,578.98
  4. Step 4: Simplify right side
    1,295,501.88x = 1,291,823,073,097.52
  5. Step 5: Solve for x
    x = 1,291,823,073,097.52/1,295,501.88
  6. Step 6: Final answer
    x = 997,160.32

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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.