Home / 1,208,705.70-1,813,058.55-788,456.10

Finding the Fourth Proportional to 1,208,705.70, 1,813,058.55 and 788,456.10

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Solution

The fourth proportional to 1,208,705.70, 1,813,058.55 and 788,456.10 is: 1,182,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,705.70 : 1,813,058.55 = 788,456.10 : x
  2. Step 2: Convert to fraction form
    1,208,705.70/1,813,058.55 = 788,456.10/x
  3. Step 3: Cross multiply
    1,208,705.70x = 1,813,058.55 × 788,456.10
  4. Step 4: Simplify right side
    1,208,705.70x = 1,429,517,073,404.66
  5. Step 5: Solve for x
    x = 1,429,517,073,404.66/1,208,705.70
  6. Step 6: Final answer
    x = 1,182,684.15

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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.