Home / 786,657.20-1,179,985.80-698,010.80

Finding the Fourth Proportional to 786,657.20, 1,179,985.80 and 698,010.80

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Solution

The fourth proportional to 786,657.20, 1,179,985.80 and 698,010.80 is: 1,047,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,657.20 : 1,179,985.80 = 698,010.80 : x
  2. Step 2: Convert to fraction form
    786,657.20/1,179,985.80 = 698,010.80/x
  3. Step 3: Cross multiply
    786,657.20x = 1,179,985.80 × 698,010.80
  4. Step 4: Simplify right side
    786,657.20x = 823,642,832,246.64
  5. Step 5: Solve for x
    x = 823,642,832,246.64/786,657.20
  6. Step 6: Final answer
    x = 1,047,016.20

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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.