Home / 1,360,501.20-2,040,751.80-770,677.20

Finding the Fourth Proportional to 1,360,501.20, 2,040,751.80 and 770,677.20

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Solution

The fourth proportional to 1,360,501.20, 2,040,751.80 and 770,677.20 is: 1,156,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,501.20 : 2,040,751.80 = 770,677.20 : x
  2. Step 2: Convert to fraction form
    1,360,501.20/2,040,751.80 = 770,677.20/x
  3. Step 3: Cross multiply
    1,360,501.20x = 2,040,751.80 × 770,677.20
  4. Step 4: Simplify right side
    1,360,501.20x = 1,572,760,883,118.96
  5. Step 5: Solve for x
    x = 1,572,760,883,118.96/1,360,501.20
  6. Step 6: Final answer
    x = 1,156,015.80

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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.