Home / 1,212,069.47-1,672,807.28-695,984.85

Finding the Fourth Proportional to 1,212,069.47, 1,672,807.28 and 695,984.85

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Solution

The fourth proportional to 1,212,069.47, 1,672,807.28 and 695,984.85 is: 960,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,069.47 : 1,672,807.28 = 695,984.85 : x
  2. Step 2: Convert to fraction form
    1,212,069.47/1,672,807.28 = 695,984.85/x
  3. Step 3: Cross multiply
    1,212,069.47x = 1,672,807.28 × 695,984.85
  4. Step 4: Simplify right side
    1,212,069.47x = 1,164,248,520,369.78
  5. Step 5: Solve for x
    x = 1,164,248,520,369.78/1,212,069.47
  6. Step 6: Final answer
    x = 960,546.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.