Home / 1,247,114.70-1,872,054.45-774,333.90

Finding the Fourth Proportional to 1,247,114.70, 1,872,054.45 and 774,333.90

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Solution

The fourth proportional to 1,247,114.70, 1,872,054.45 and 774,333.90 is: 1,162,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,114.70 : 1,872,054.45 = 774,333.90 : x
  2. Step 2: Convert to fraction form
    1,247,114.70/1,872,054.45 = 774,333.90/x
  3. Step 3: Cross multiply
    1,247,114.70x = 1,872,054.45 × 774,333.90
  4. Step 4: Simplify right side
    1,247,114.70x = 1,449,595,223,280.86
  5. Step 5: Solve for x
    x = 1,449,595,223,280.86/1,247,114.70
  6. Step 6: Final answer
    x = 1,162,359.18

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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.