Home / 1,492,406.29-2,238,600.93-427,448.67

Finding the Fourth Proportional to 1,492,406.29, 2,238,600.93 and 427,448.67

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Solution

The fourth proportional to 1,492,406.29, 2,238,600.93 and 427,448.67 is: 641,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,406.29 : 2,238,600.93 = 427,448.67 : x
  2. Step 2: Convert to fraction form
    1,492,406.29/2,238,600.93 = 427,448.67/x
  3. Step 3: Cross multiply
    1,492,406.29x = 2,238,600.93 × 427,448.67
  4. Step 4: Simplify right side
    1,492,406.29x = 956,886,990,189.26
  5. Step 5: Solve for x
    x = 956,886,990,189.26/1,492,406.29
  6. Step 6: Final answer
    x = 641,170.57

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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.