Home / 1,336,313.70-2,004,470.55-389,780.10

Finding the Fourth Proportional to 1,336,313.70, 2,004,470.55 and 389,780.10

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Solution

The fourth proportional to 1,336,313.70, 2,004,470.55 and 389,780.10 is: 584,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,313.70 : 2,004,470.55 = 389,780.10 : x
  2. Step 2: Convert to fraction form
    1,336,313.70/2,004,470.55 = 389,780.10/x
  3. Step 3: Cross multiply
    1,336,313.70x = 2,004,470.55 × 389,780.10
  4. Step 4: Simplify right side
    1,336,313.70x = 781,302,731,426.06
  5. Step 5: Solve for x
    x = 781,302,731,426.06/1,336,313.70
  6. Step 6: Final answer
    x = 584,670.15

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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.