Home / 1,042,493.88-1,438,571.10-577,314.36

Finding the Fourth Proportional to 1,042,493.88, 1,438,571.10 and 577,314.36

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Solution

The fourth proportional to 1,042,493.88, 1,438,571.10 and 577,314.36 is: 796,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,493.88 : 1,438,571.10 = 577,314.36 : x
  2. Step 2: Convert to fraction form
    1,042,493.88/1,438,571.10 = 577,314.36/x
  3. Step 3: Cross multiply
    1,042,493.88x = 1,438,571.10 × 577,314.36
  4. Step 4: Simplify right side
    1,042,493.88x = 830,507,753,911.00
  5. Step 5: Solve for x
    x = 830,507,753,911.00/1,042,493.88
  6. Step 6: Final answer
    x = 796,654.80

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1.5x scale

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.