Home / 822,612.80-1,235,762.40-789,025.60

Finding the Fourth Proportional to 822,612.80, 1,235,762.40 and 789,025.60

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Solution

The fourth proportional to 822,612.80, 1,235,762.40 and 789,025.60 is: 1,185,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,612.80 : 1,235,762.40 = 789,025.60 : x
  2. Step 2: Convert to fraction form
    822,612.80/1,235,762.40 = 789,025.60/x
  3. Step 3: Cross multiply
    822,612.80x = 1,235,762.40 × 789,025.60
  4. Step 4: Simplify right side
    822,612.80x = 975,048,169,117.44
  5. Step 5: Solve for x
    x = 975,048,169,117.44/822,612.80
  6. Step 6: Final answer
    x = 1,185,306.34

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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.