Home / 1,302,909.75-1,798,089.26-730,134.45

Finding the Fourth Proportional to 1,302,909.75, 1,798,089.26 and 730,134.45

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Solution

The fourth proportional to 1,302,909.75, 1,798,089.26 and 730,134.45 is: 1,007,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,909.75 : 1,798,089.26 = 730,134.45 : x
  2. Step 2: Convert to fraction form
    1,302,909.75/1,798,089.26 = 730,134.45/x
  3. Step 3: Cross multiply
    1,302,909.75x = 1,798,089.26 × 730,134.45
  4. Step 4: Simplify right side
    1,302,909.75x = 1,312,846,909,250.33
  5. Step 5: Solve for x
    x = 1,312,846,909,250.33/1,302,909.75
  6. Step 6: Final answer
    x = 1,007,626.90

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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.