Home / 1,663,498.60-2,495,224.86-401,315.56

Finding the Fourth Proportional to 1,663,498.60, 2,495,224.86 and 401,315.56

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Solution

The fourth proportional to 1,663,498.60, 2,495,224.86 and 401,315.56 is: 601,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,498.60 : 2,495,224.86 = 401,315.56 : x
  2. Step 2: Convert to fraction form
    1,663,498.60/2,495,224.86 = 401,315.56/x
  3. Step 3: Cross multiply
    1,663,498.60x = 2,495,224.86 × 401,315.56
  4. Step 4: Simplify right side
    1,663,498.60x = 1,001,372,562,016.82
  5. Step 5: Solve for x
    x = 1,001,372,562,016.82/1,663,498.60
  6. Step 6: Final answer
    x = 601,967.78

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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.