Home / 1,405,846.04-1,940,076.77-761,266.29

Finding the Fourth Proportional to 1,405,846.04, 1,940,076.77 and 761,266.29

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Solution

The fourth proportional to 1,405,846.04, 1,940,076.77 and 761,266.29 is: 1,050,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,846.04 : 1,940,076.77 = 761,266.29 : x
  2. Step 2: Convert to fraction form
    1,405,846.04/1,940,076.77 = 761,266.29/x
  3. Step 3: Cross multiply
    1,405,846.04x = 1,940,076.77 × 761,266.29
  4. Step 4: Simplify right side
    1,405,846.04x = 1,476,915,046,916.25
  5. Step 5: Solve for x
    x = 1,476,915,046,916.25/1,405,846.04
  6. Step 6: Final answer
    x = 1,050,552.48

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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.