Home / 1,330,640.33-1,996,126.67-520,920.18

Finding the Fourth Proportional to 1,330,640.33, 1,996,126.67 and 520,920.18

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Solution

The fourth proportional to 1,330,640.33, 1,996,126.67 and 520,920.18 is: 781,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,640.33 : 1,996,126.67 = 520,920.18 : x
  2. Step 2: Convert to fraction form
    1,330,640.33/1,996,126.67 = 520,920.18/x
  3. Step 3: Cross multiply
    1,330,640.33x = 1,996,126.67 × 520,920.18
  4. Step 4: Simplify right side
    1,330,640.33x = 1,039,822,665,541.50
  5. Step 5: Solve for x
    x = 1,039,822,665,541.50/1,330,640.33
  6. Step 6: Final answer
    x = 781,445.33

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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.