Home / 1,331,478.40-1,995,905.40-657,663.70

Finding the Fourth Proportional to 1,331,478.40, 1,995,905.40 and 657,663.70

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Solution

The fourth proportional to 1,331,478.40, 1,995,905.40 and 657,663.70 is: 985,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,478.40 : 1,995,905.40 = 657,663.70 : x
  2. Step 2: Convert to fraction form
    1,331,478.40/1,995,905.40 = 657,663.70/x
  3. Step 3: Cross multiply
    1,331,478.40x = 1,995,905.40 × 657,663.70
  4. Step 4: Simplify right side
    1,331,478.40x = 1,312,634,530,213.98
  5. Step 5: Solve for x
    x = 1,312,634,530,213.98/1,331,478.40
  6. Step 6: Final answer
    x = 985,847.41

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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.