Home / 1,222,749.40-1,834,124.10-942,813.40

Finding the Fourth Proportional to 1,222,749.40, 1,834,124.10 and 942,813.40

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Solution

The fourth proportional to 1,222,749.40, 1,834,124.10 and 942,813.40 is: 1,414,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,749.40 : 1,834,124.10 = 942,813.40 : x
  2. Step 2: Convert to fraction form
    1,222,749.40/1,834,124.10 = 942,813.40/x
  3. Step 3: Cross multiply
    1,222,749.40x = 1,834,124.10 × 942,813.40
  4. Step 4: Simplify right side
    1,222,749.40x = 1,729,236,778,742.94
  5. Step 5: Solve for x
    x = 1,729,236,778,742.94/1,222,749.40
  6. Step 6: Final answer
    x = 1,414,220.10

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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.