Home / 1,229,981.85-1,845,505.58-660,698.69

Finding the Fourth Proportional to 1,229,981.85, 1,845,505.58 and 660,698.69

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Solution

The fourth proportional to 1,229,981.85, 1,845,505.58 and 660,698.69 is: 991,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,981.85 : 1,845,505.58 = 660,698.69 : x
  2. Step 2: Convert to fraction form
    1,229,981.85/1,845,505.58 = 660,698.69/x
  3. Step 3: Cross multiply
    1,229,981.85x = 1,845,505.58 × 660,698.69
  4. Step 4: Simplify right side
    1,229,981.85x = 1,219,323,106,562.67
  5. Step 5: Solve for x
    x = 1,219,323,106,562.67/1,229,981.85
  6. Step 6: Final answer
    x = 991,334.23

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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.