Home / 778,901.20-1,093,410.80-778,901.20

Finding the Fourth Proportional to 778,901.20, 1,093,410.80 and 778,901.20

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Solution

The fourth proportional to 778,901.20, 1,093,410.80 and 778,901.20 is: 1,093,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,901.20 : 1,093,410.80 = 778,901.20 : x
  2. Step 2: Convert to fraction form
    778,901.20/1,093,410.80 = 778,901.20/x
  3. Step 3: Cross multiply
    778,901.20x = 1,093,410.80 × 778,901.20
  4. Step 4: Simplify right side
    778,901.20x = 851,658,984,212.96
  5. Step 5: Solve for x
    x = 851,658,984,212.96/778,901.20
  6. Step 6: Final answer
    x = 1,093,410.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.