Home / 1,209,909.42-1,670,241.87-700,513.38

Finding the Fourth Proportional to 1,209,909.42, 1,670,241.87 and 700,513.38

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Solution

The fourth proportional to 1,209,909.42, 1,670,241.87 and 700,513.38 is: 967,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,909.42 : 1,670,241.87 = 700,513.38 : x
  2. Step 2: Convert to fraction form
    1,209,909.42/1,670,241.87 = 700,513.38/x
  3. Step 3: Cross multiply
    1,209,909.42x = 1,670,241.87 × 700,513.38
  4. Step 4: Simplify right side
    1,209,909.42x = 1,170,026,777,771.22
  5. Step 5: Solve for x
    x = 1,170,026,777,771.22/1,209,909.42
  6. Step 6: Final answer
    x = 967,036.67

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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.