Home / 1,346,217.78-2,015,749.70-813,017.46

Finding the Fourth Proportional to 1,346,217.78, 2,015,749.70 and 813,017.46

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Solution

The fourth proportional to 1,346,217.78, 2,015,749.70 and 813,017.46 is: 1,217,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,217.78 : 2,015,749.70 = 813,017.46 : x
  2. Step 2: Convert to fraction form
    1,346,217.78/2,015,749.70 = 813,017.46/x
  3. Step 3: Cross multiply
    1,346,217.78x = 2,015,749.70 × 813,017.46
  4. Step 4: Simplify right side
    1,346,217.78x = 1,638,839,701,089.76
  5. Step 5: Solve for x
    x = 1,638,839,701,089.76/1,346,217.78
  6. Step 6: Final answer
    x = 1,217,365.96

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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.