Home / 1,261,707.20-1,892,560.80-375,243.20

Finding the Fourth Proportional to 1,261,707.20, 1,892,560.80 and 375,243.20

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Solution

The fourth proportional to 1,261,707.20, 1,892,560.80 and 375,243.20 is: 562,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,707.20 : 1,892,560.80 = 375,243.20 : x
  2. Step 2: Convert to fraction form
    1,261,707.20/1,892,560.80 = 375,243.20/x
  3. Step 3: Cross multiply
    1,261,707.20x = 1,892,560.80 × 375,243.20
  4. Step 4: Simplify right side
    1,261,707.20x = 710,170,570,786.56
  5. Step 5: Solve for x
    x = 710,170,570,786.56/1,261,707.20
  6. Step 6: Final answer
    x = 562,864.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.