Home / 1,492,405.29-2,238,599.43-427,447.67

Finding the Fourth Proportional to 1,492,405.29, 2,238,599.43 and 427,447.67

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Solution

The fourth proportional to 1,492,405.29, 2,238,599.43 and 427,447.67 is: 641,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,405.29 : 2,238,599.43 = 427,447.67 : x
  2. Step 2: Convert to fraction form
    1,492,405.29/2,238,599.43 = 427,447.67/x
  3. Step 3: Cross multiply
    1,492,405.29x = 2,238,599.43 × 427,447.67
  4. Step 4: Simplify right side
    1,492,405.29x = 956,884,099,223.83
  5. Step 5: Solve for x
    x = 956,884,099,223.83/1,492,405.29
  6. Step 6: Final answer
    x = 641,169.06

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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.