Home / 1,225,012.40-1,834,019.40-1,099,041.20

Finding the Fourth Proportional to 1,225,012.40, 1,834,019.40 and 1,099,041.20

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Solution

The fourth proportional to 1,225,012.40, 1,834,019.40 and 1,099,041.20 is: 1,645,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,012.40 : 1,834,019.40 = 1,099,041.20 : x
  2. Step 2: Convert to fraction form
    1,225,012.40/1,834,019.40 = 1,099,041.20/x
  3. Step 3: Cross multiply
    1,225,012.40x = 1,834,019.40 × 1,099,041.20
  4. Step 4: Simplify right side
    1,225,012.40x = 2,015,662,882,199.28
  5. Step 5: Solve for x
    x = 2,015,662,882,199.28/1,225,012.40
  6. Step 6: Final answer
    x = 1,645,422.43

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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.