Home / 1,405,860.25-1,940,096.37-761,280.48

Finding the Fourth Proportional to 1,405,860.25, 1,940,096.37 and 761,280.48

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Solution

The fourth proportional to 1,405,860.25, 1,940,096.37 and 761,280.48 is: 1,050,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,860.25 : 1,940,096.37 = 761,280.48 : x
  2. Step 2: Convert to fraction form
    1,405,860.25/1,940,096.37 = 761,280.48/x
  3. Step 3: Cross multiply
    1,405,860.25x = 1,940,096.37 × 761,280.48
  4. Step 4: Simplify right side
    1,405,860.25x = 1,476,957,495,799.86
  5. Step 5: Solve for x
    x = 1,476,957,495,799.86/1,405,860.25
  6. Step 6: Final answer
    x = 1,050,572.06

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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.