Home / 1,122,792.24-1,550,139.66-730,698.72

Finding the Fourth Proportional to 1,122,792.24, 1,550,139.66 and 730,698.72

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Solution

The fourth proportional to 1,122,792.24, 1,550,139.66 and 730,698.72 is: 1,008,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,792.24 : 1,550,139.66 = 730,698.72 : x
  2. Step 2: Convert to fraction form
    1,122,792.24/1,550,139.66 = 730,698.72/x
  3. Step 3: Cross multiply
    1,122,792.24x = 1,550,139.66 × 730,698.72
  4. Step 4: Simplify right side
    1,122,792.24x = 1,132,685,065,383.24
  5. Step 5: Solve for x
    x = 1,132,685,065,383.24/1,122,792.24
  6. Step 6: Final answer
    x = 1,008,810.91

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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.