Home / 907,519.90-1,361,279.85-783,103.90

Finding the Fourth Proportional to 907,519.90, 1,361,279.85 and 783,103.90

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Solution

The fourth proportional to 907,519.90, 1,361,279.85 and 783,103.90 is: 1,174,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,519.90 : 1,361,279.85 = 783,103.90 : x
  2. Step 2: Convert to fraction form
    907,519.90/1,361,279.85 = 783,103.90/x
  3. Step 3: Cross multiply
    907,519.90x = 1,361,279.85 × 783,103.90
  4. Step 4: Simplify right side
    907,519.90x = 1,066,023,559,526.42
  5. Step 5: Solve for x
    x = 1,066,023,559,526.42/907,519.90
  6. Step 6: Final answer
    x = 1,174,655.85

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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.