Home / 1,433,237.80-2,149,856.70-985,340.20

Finding the Fourth Proportional to 1,433,237.80, 2,149,856.70 and 985,340.20

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Solution

The fourth proportional to 1,433,237.80, 2,149,856.70 and 985,340.20 is: 1,478,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,237.80 : 2,149,856.70 = 985,340.20 : x
  2. Step 2: Convert to fraction form
    1,433,237.80/2,149,856.70 = 985,340.20/x
  3. Step 3: Cross multiply
    1,433,237.80x = 2,149,856.70 × 985,340.20
  4. Step 4: Simplify right side
    1,433,237.80x = 2,118,340,230,749.34
  5. Step 5: Solve for x
    x = 2,118,340,230,749.34/1,433,237.80
  6. Step 6: Final answer
    x = 1,478,010.30

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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.