Home / 1,845,989.46-2,769,276.96-781,039.50

Finding the Fourth Proportional to 1,845,989.46, 2,769,276.96 and 781,039.50

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Solution

The fourth proportional to 1,845,989.46, 2,769,276.96 and 781,039.50 is: 1,171,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,989.46 : 2,769,276.96 = 781,039.50 : x
  2. Step 2: Convert to fraction form
    1,845,989.46/2,769,276.96 = 781,039.50/x
  3. Step 3: Cross multiply
    1,845,989.46x = 2,769,276.96 × 781,039.50
  4. Step 4: Simplify right side
    1,845,989.46x = 2,162,914,692,199.92
  5. Step 5: Solve for x
    x = 2,162,914,692,199.92/1,845,989.46
  6. Step 6: Final answer
    x = 1,171,683.12

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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.