Home / 1,182,436.66-1,631,762.52-638,572.48

Finding the Fourth Proportional to 1,182,436.66, 1,631,762.52 and 638,572.48

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Solution

The fourth proportional to 1,182,436.66, 1,631,762.52 and 638,572.48 is: 881,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,436.66 : 1,631,762.52 = 638,572.48 : x
  2. Step 2: Convert to fraction form
    1,182,436.66/1,631,762.52 = 638,572.48/x
  3. Step 3: Cross multiply
    1,182,436.66x = 1,631,762.52 × 638,572.48
  4. Step 4: Simplify right side
    1,182,436.66x = 1,041,998,639,167.45
  5. Step 5: Solve for x
    x = 1,041,998,639,167.45/1,182,436.66
  6. Step 6: Final answer
    x = 881,229.98

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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.