Home / 1,302,362.40-1,954,209.76-620,020.32

Finding the Fourth Proportional to 1,302,362.40, 1,954,209.76 and 620,020.32

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Solution

The fourth proportional to 1,302,362.40, 1,954,209.76 and 620,020.32 is: 930,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,362.40 : 1,954,209.76 = 620,020.32 : x
  2. Step 2: Convert to fraction form
    1,302,362.40/1,954,209.76 = 620,020.32/x
  3. Step 3: Cross multiply
    1,302,362.40x = 1,954,209.76 × 620,020.32
  4. Step 4: Simplify right side
    1,302,362.40x = 1,211,649,760,742.32
  5. Step 5: Solve for x
    x = 1,211,649,760,742.32/1,302,362.40
  6. Step 6: Final answer
    x = 930,347.62

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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.