Home / 1,668,136.75-2,302,029.72-904,190.31

Finding the Fourth Proportional to 1,668,136.75, 2,302,029.72 and 904,190.31

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Solution

The fourth proportional to 1,668,136.75, 2,302,029.72 and 904,190.31 is: 1,247,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,136.75 : 2,302,029.72 = 904,190.31 : x
  2. Step 2: Convert to fraction form
    1,668,136.75/2,302,029.72 = 904,190.31/x
  3. Step 3: Cross multiply
    1,668,136.75x = 2,302,029.72 × 904,190.31
  4. Step 4: Simplify right side
    1,668,136.75x = 2,081,472,966,156.01
  5. Step 5: Solve for x
    x = 2,081,472,966,156.01/1,668,136.75
  6. Step 6: Final answer
    x = 1,247,783.17

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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.