Home / 1,438,363.45-1,985,687.75-1,050,743.66

Finding the Fourth Proportional to 1,438,363.45, 1,985,687.75 and 1,050,743.66

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Solution

The fourth proportional to 1,438,363.45, 1,985,687.75 and 1,050,743.66 is: 1,450,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,363.45 : 1,985,687.75 = 1,050,743.66 : x
  2. Step 2: Convert to fraction form
    1,438,363.45/1,985,687.75 = 1,050,743.66/x
  3. Step 3: Cross multiply
    1,438,363.45x = 1,985,687.75 × 1,050,743.66
  4. Step 4: Simplify right side
    1,438,363.45x = 2,086,448,808,798.45
  5. Step 5: Solve for x
    x = 2,086,448,808,798.45/1,438,363.45
  6. Step 6: Final answer
    x = 1,450,571.35

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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.