Home / 1,397,108.75-1,928,010.08-761,204.75

Finding the Fourth Proportional to 1,397,108.75, 1,928,010.08 and 761,204.75

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Solution

The fourth proportional to 1,397,108.75, 1,928,010.08 and 761,204.75 is: 1,050,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,108.75 : 1,928,010.08 = 761,204.75 : x
  2. Step 2: Convert to fraction form
    1,397,108.75/1,928,010.08 = 761,204.75/x
  3. Step 3: Cross multiply
    1,397,108.75x = 1,928,010.08 × 761,204.75
  4. Step 4: Simplify right side
    1,397,108.75x = 1,467,610,430,943.88
  5. Step 5: Solve for x
    x = 1,467,610,430,943.88/1,397,108.75
  6. Step 6: Final answer
    x = 1,050,462.56

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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.