Home / 1,401,627.09-2,102,928.54-442,230.82

Finding the Fourth Proportional to 1,401,627.09, 2,102,928.54 and 442,230.82

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Solution

The fourth proportional to 1,401,627.09, 2,102,928.54 and 442,230.82 is: 663,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,627.09 : 2,102,928.54 = 442,230.82 : x
  2. Step 2: Convert to fraction form
    1,401,627.09/2,102,928.54 = 442,230.82/x
  3. Step 3: Cross multiply
    1,401,627.09x = 2,102,928.54 × 442,230.82
  4. Step 4: Simplify right side
    1,401,627.09x = 929,979,812,645.60
  5. Step 5: Solve for x
    x = 929,979,812,645.60/1,401,627.09
  6. Step 6: Final answer
    x = 663,500.17

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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.