Home / 2,774,683.20-4,162,024.80-780,139.20

Finding the Fourth Proportional to 2,774,683.20, 4,162,024.80 and 780,139.20

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Solution

The fourth proportional to 2,774,683.20, 4,162,024.80 and 780,139.20 is: 1,170,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,683.20 : 4,162,024.80 = 780,139.20 : x
  2. Step 2: Convert to fraction form
    2,774,683.20/4,162,024.80 = 780,139.20/x
  3. Step 3: Cross multiply
    2,774,683.20x = 4,162,024.80 × 780,139.20
  4. Step 4: Simplify right side
    2,774,683.20x = 3,246,958,697,852.16
  5. Step 5: Solve for x
    x = 3,246,958,697,852.16/2,774,683.20
  6. Step 6: Final answer
    x = 1,170,208.80

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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.