Home / 1,341,327.84-2,012,191.83-442,864.50

Finding the Fourth Proportional to 1,341,327.84, 2,012,191.83 and 442,864.50

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Solution

The fourth proportional to 1,341,327.84, 2,012,191.83 and 442,864.50 is: 664,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,327.84 : 2,012,191.83 = 442,864.50 : x
  2. Step 2: Convert to fraction form
    1,341,327.84/2,012,191.83 = 442,864.50/x
  3. Step 3: Cross multiply
    1,341,327.84x = 2,012,191.83 × 442,864.50
  4. Step 4: Simplify right side
    1,341,327.84x = 891,128,328,697.04
  5. Step 5: Solve for x
    x = 891,128,328,697.04/1,341,327.84
  6. Step 6: Final answer
    x = 664,362.81

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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.