Home / 1,385,550.23-1,911,515.36-804,674.52

Finding the Fourth Proportional to 1,385,550.23, 1,911,515.36 and 804,674.52

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Solution

The fourth proportional to 1,385,550.23, 1,911,515.36 and 804,674.52 is: 1,110,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,550.23 : 1,911,515.36 = 804,674.52 : x
  2. Step 2: Convert to fraction form
    1,385,550.23/1,911,515.36 = 804,674.52/x
  3. Step 3: Cross multiply
    1,385,550.23x = 1,911,515.36 × 804,674.52
  4. Step 4: Simplify right side
    1,385,550.23x = 1,538,147,700,757.25
  5. Step 5: Solve for x
    x = 1,538,147,700,757.25/1,385,550.23
  6. Step 6: Final answer
    x = 1,110,134.93

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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.