Home / 1,263,470.35-1,894,317.87-442,608.15

Finding the Fourth Proportional to 1,263,470.35, 1,894,317.87 and 442,608.15

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Solution

The fourth proportional to 1,263,470.35, 1,894,317.87 and 442,608.15 is: 663,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,470.35 : 1,894,317.87 = 442,608.15 : x
  2. Step 2: Convert to fraction form
    1,263,470.35/1,894,317.87 = 442,608.15/x
  3. Step 3: Cross multiply
    1,263,470.35x = 1,894,317.87 × 442,608.15
  4. Step 4: Simplify right side
    1,263,470.35x = 838,440,527,952.64
  5. Step 5: Solve for x
    x = 838,440,527,952.64/1,263,470.35
  6. Step 6: Final answer
    x = 663,601.27

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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.