Home / 1,122,720.36-1,684,498.77-673,763.28

Finding the Fourth Proportional to 1,122,720.36, 1,684,498.77 and 673,763.28

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Solution

The fourth proportional to 1,122,720.36, 1,684,498.77 and 673,763.28 is: 1,010,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,720.36 : 1,684,498.77 = 673,763.28 : x
  2. Step 2: Convert to fraction form
    1,122,720.36/1,684,498.77 = 673,763.28/x
  3. Step 3: Cross multiply
    1,122,720.36x = 1,684,498.77 × 673,763.28
  4. Step 4: Simplify right side
    1,122,720.36x = 1,134,953,416,431.17
  5. Step 5: Solve for x
    x = 1,134,953,416,431.17/1,122,720.36
  6. Step 6: Final answer
    x = 1,010,895.91

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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.