Home / 1,077,919.80-1,616,603.91-319,583.94

Finding the Fourth Proportional to 1,077,919.80, 1,616,603.91 and 319,583.94

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Solution

The fourth proportional to 1,077,919.80, 1,616,603.91 and 319,583.94 is: 479,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,919.80 : 1,616,603.91 = 319,583.94 : x
  2. Step 2: Convert to fraction form
    1,077,919.80/1,616,603.91 = 319,583.94/x
  3. Step 3: Cross multiply
    1,077,919.80x = 1,616,603.91 × 319,583.94
  4. Step 4: Simplify right side
    1,077,919.80x = 516,640,646,977.21
  5. Step 5: Solve for x
    x = 516,640,646,977.21/1,077,919.80
  6. Step 6: Final answer
    x = 479,294.14

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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.