Home / 1,687,028.80-2,526,856.80-1,310,094.40

Finding the Fourth Proportional to 1,687,028.80, 2,526,856.80 and 1,310,094.40

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Solution

The fourth proportional to 1,687,028.80, 2,526,856.80 and 1,310,094.40 is: 1,962,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,028.80 : 2,526,856.80 = 1,310,094.40 : x
  2. Step 2: Convert to fraction form
    1,687,028.80/2,526,856.80 = 1,310,094.40/x
  3. Step 3: Cross multiply
    1,687,028.80x = 2,526,856.80 × 1,310,094.40
  4. Step 4: Simplify right side
    1,687,028.80x = 3,310,420,943,281.92
  5. Step 5: Solve for x
    x = 3,310,420,943,281.92/1,687,028.80
  6. Step 6: Final answer
    x = 1,962,278.86

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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.