Home / 1,182,587.24-1,631,969.88-638,722.82

Finding the Fourth Proportional to 1,182,587.24, 1,631,969.88 and 638,722.82

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Solution

The fourth proportional to 1,182,587.24, 1,631,969.88 and 638,722.82 is: 881,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,587.24 : 1,631,969.88 = 638,722.82 : x
  2. Step 2: Convert to fraction form
    1,182,587.24/1,631,969.88 = 638,722.82/x
  3. Step 3: Cross multiply
    1,182,587.24x = 1,631,969.88 × 638,722.82
  4. Step 4: Simplify right side
    1,182,587.24x = 1,042,376,403,908.66
  5. Step 5: Solve for x
    x = 1,042,376,403,908.66/1,182,587.24
  6. Step 6: Final answer
    x = 881,437.22

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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.