Home / 778,851.60-1,162,643.46-684,373.20

Finding the Fourth Proportional to 778,851.60, 1,162,643.46 and 684,373.20

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Solution

The fourth proportional to 778,851.60, 1,162,643.46 and 684,373.20 is: 1,021,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,851.60 : 1,162,643.46 = 684,373.20 : x
  2. Step 2: Convert to fraction form
    778,851.60/1,162,643.46 = 684,373.20/x
  3. Step 3: Cross multiply
    778,851.60x = 1,162,643.46 × 684,373.20
  4. Step 4: Simplify right side
    778,851.60x = 795,682,025,179.27
  5. Step 5: Solve for x
    x = 795,682,025,179.27/778,851.60
  6. Step 6: Final answer
    x = 1,021,609.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.