Home / 1,311,682.80-1,968,445.80-564,265.20

Finding the Fourth Proportional to 1,311,682.80, 1,968,445.80 and 564,265.20

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Solution

The fourth proportional to 1,311,682.80, 1,968,445.80 and 564,265.20 is: 846,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,682.80 : 1,968,445.80 = 564,265.20 : x
  2. Step 2: Convert to fraction form
    1,311,682.80/1,968,445.80 = 564,265.20/x
  3. Step 3: Cross multiply
    1,311,682.80x = 1,968,445.80 × 564,265.20
  4. Step 4: Simplify right side
    1,311,682.80x = 1,110,725,463,026.16
  5. Step 5: Solve for x
    x = 1,110,725,463,026.16/1,311,682.80
  6. Step 6: Final answer
    x = 846,794.26

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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.