Home / 1,193,328.90-1,789,438.38-434,642.19

Finding the Fourth Proportional to 1,193,328.90, 1,789,438.38 and 434,642.19

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Solution

The fourth proportional to 1,193,328.90, 1,789,438.38 and 434,642.19 is: 651,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,328.90 : 1,789,438.38 = 434,642.19 : x
  2. Step 2: Convert to fraction form
    1,193,328.90/1,789,438.38 = 434,642.19/x
  3. Step 3: Cross multiply
    1,193,328.90x = 1,789,438.38 × 434,642.19
  4. Step 4: Simplify right side
    1,193,328.90x = 777,765,416,353.25
  5. Step 5: Solve for x
    x = 777,765,416,353.25/1,193,328.90
  6. Step 6: Final answer
    x = 651,761.15

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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.