Home / 1,720,376.80-2,580,565.20-1,300,472.80

Finding the Fourth Proportional to 1,720,376.80, 2,580,565.20 and 1,300,472.80

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Solution

The fourth proportional to 1,720,376.80, 2,580,565.20 and 1,300,472.80 is: 1,950,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,376.80 : 2,580,565.20 = 1,300,472.80 : x
  2. Step 2: Convert to fraction form
    1,720,376.80/2,580,565.20 = 1,300,472.80/x
  3. Step 3: Cross multiply
    1,720,376.80x = 2,580,565.20 × 1,300,472.80
  4. Step 4: Simplify right side
    1,720,376.80x = 3,355,954,851,226.56
  5. Step 5: Solve for x
    x = 3,355,954,851,226.56/1,720,376.80
  6. Step 6: Final answer
    x = 1,950,709.20

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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.