Home / 1,382,663.98-1,906,994.64-899,383.47

Finding the Fourth Proportional to 1,382,663.98, 1,906,994.64 and 899,383.47

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Solution

The fourth proportional to 1,382,663.98, 1,906,994.64 and 899,383.47 is: 1,240,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,663.98 : 1,906,994.64 = 899,383.47 : x
  2. Step 2: Convert to fraction form
    1,382,663.98/1,906,994.64 = 899,383.47/x
  3. Step 3: Cross multiply
    1,382,663.98x = 1,906,994.64 × 899,383.47
  4. Step 4: Simplify right side
    1,382,663.98x = 1,715,119,456,594.60
  5. Step 5: Solve for x
    x = 1,715,119,456,594.60/1,382,663.98
  6. Step 6: Final answer
    x = 1,240,445.60

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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.