Home / 1,843,729.70-2,765,983.35-778,223.30

Finding the Fourth Proportional to 1,843,729.70, 2,765,983.35 and 778,223.30

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Solution

The fourth proportional to 1,843,729.70, 2,765,983.35 and 778,223.30 is: 1,167,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,729.70 : 2,765,983.35 = 778,223.30 : x
  2. Step 2: Convert to fraction form
    1,843,729.70/2,765,983.35 = 778,223.30/x
  3. Step 3: Cross multiply
    1,843,729.70x = 2,765,983.35 × 778,223.30
  4. Step 4: Simplify right side
    1,843,729.70x = 2,152,552,690,382.06
  5. Step 5: Solve for x
    x = 2,152,552,690,382.06/1,843,729.70
  6. Step 6: Final answer
    x = 1,167,499.06

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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.