Home / 1,122,612.52-1,684,337.64-673,655.80

Finding the Fourth Proportional to 1,122,612.52, 1,684,337.64 and 673,655.80

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Solution

The fourth proportional to 1,122,612.52, 1,684,337.64 and 673,655.80 is: 1,010,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,612.52 : 1,684,337.64 = 673,655.80 : x
  2. Step 2: Convert to fraction form
    1,122,612.52/1,684,337.64 = 673,655.80/x
  3. Step 3: Cross multiply
    1,122,612.52x = 1,684,337.64 × 673,655.80
  4. Step 4: Simplify right side
    1,122,612.52x = 1,134,663,820,344.31
  5. Step 5: Solve for x
    x = 1,134,663,820,344.31/1,122,612.52
  6. Step 6: Final answer
    x = 1,010,735.05

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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.