Home / 1,200,358.86-1,656,471.94-656,492.92

Finding the Fourth Proportional to 1,200,358.86, 1,656,471.94 and 656,492.92

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Solution

The fourth proportional to 1,200,358.86, 1,656,471.94 and 656,492.92 is: 905,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,358.86 : 1,656,471.94 = 656,492.92 : x
  2. Step 2: Convert to fraction form
    1,200,358.86/1,656,471.94 = 656,492.92/x
  3. Step 3: Cross multiply
    1,200,358.86x = 1,656,471.94 × 656,492.92
  4. Step 4: Simplify right side
    1,200,358.86x = 1,087,462,100,788.66
  5. Step 5: Solve for x
    x = 1,087,462,100,788.66/1,200,358.86
  6. Step 6: Final answer
    x = 905,947.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.