Home / 1,313,528.90-1,970,147.55-1,076,458.10

Finding the Fourth Proportional to 1,313,528.90, 1,970,147.55 and 1,076,458.10

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Solution

The fourth proportional to 1,313,528.90, 1,970,147.55 and 1,076,458.10 is: 1,614,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,528.90 : 1,970,147.55 = 1,076,458.10 : x
  2. Step 2: Convert to fraction form
    1,313,528.90/1,970,147.55 = 1,076,458.10/x
  3. Step 3: Cross multiply
    1,313,528.90x = 1,970,147.55 × 1,076,458.10
  4. Step 4: Simplify right side
    1,313,528.90x = 2,120,781,288,392.66
  5. Step 5: Solve for x
    x = 2,120,781,288,392.66/1,313,528.90
  6. Step 6: Final answer
    x = 1,614,567.66

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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.