Home / 1,492,054.74-2,238,743.70-781,914

Finding the Fourth Proportional to 1,492,054.74, 2,238,743.70 and 781,914

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Solution

The fourth proportional to 1,492,054.74, 2,238,743.70 and 781,914 is: 1,173,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,054.74 : 2,238,743.70 = 781,914 : x
  2. Step 2: Convert to fraction form
    1,492,054.74/2,238,743.70 = 781,914/x
  3. Step 3: Cross multiply
    1,492,054.74x = 2,238,743.70 × 781,914
  4. Step 4: Simplify right side
    1,492,054.74x = 1,750,505,041,441.80
  5. Step 5: Solve for x
    x = 1,750,505,041,441.80/1,492,054.74
  6. Step 6: Final answer
    x = 1,173,217.71

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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.