Home / 804,003.80-1,206,005.70-788,257.40

Finding the Fourth Proportional to 804,003.80, 1,206,005.70 and 788,257.40

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Solution

The fourth proportional to 804,003.80, 1,206,005.70 and 788,257.40 is: 1,182,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,003.80 : 1,206,005.70 = 788,257.40 : x
  2. Step 2: Convert to fraction form
    804,003.80/1,206,005.70 = 788,257.40/x
  3. Step 3: Cross multiply
    804,003.80x = 1,206,005.70 × 788,257.40
  4. Step 4: Simplify right side
    804,003.80x = 950,642,917,467.18
  5. Step 5: Solve for x
    x = 950,642,917,467.18/804,003.80
  6. Step 6: Final answer
    x = 1,182,386.10

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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.