Home / 1,212,051.92-1,672,588.59-660,756.23

Finding the Fourth Proportional to 1,212,051.92, 1,672,588.59 and 660,756.23

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Solution

The fourth proportional to 1,212,051.92, 1,672,588.59 and 660,756.23 is: 911,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,051.92 : 1,672,588.59 = 660,756.23 : x
  2. Step 2: Convert to fraction form
    1,212,051.92/1,672,588.59 = 660,756.23/x
  3. Step 3: Cross multiply
    1,212,051.92x = 1,672,588.59 × 660,756.23
  4. Step 4: Simplify right side
    1,212,051.92x = 1,105,173,339,625.91
  5. Step 5: Solve for x
    x = 1,105,173,339,625.91/1,212,051.92
  6. Step 6: Final answer
    x = 911,820.13

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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.