Home / 1,078,309.53-1,616,612.01-538,288.65

Finding the Fourth Proportional to 1,078,309.53, 1,616,612.01 and 538,288.65

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Solution

The fourth proportional to 1,078,309.53, 1,616,612.01 and 538,288.65 is: 807,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,309.53 : 1,616,612.01 = 538,288.65 : x
  2. Step 2: Convert to fraction form
    1,078,309.53/1,616,612.01 = 538,288.65/x
  3. Step 3: Cross multiply
    1,078,309.53x = 1,616,612.01 × 538,288.65
  4. Step 4: Simplify right side
    1,078,309.53x = 870,203,896,436.69
  5. Step 5: Solve for x
    x = 870,203,896,436.69/1,078,309.53
  6. Step 6: Final answer
    x = 807,007.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.