Home / 1,077,139.28-1,615,749.93-403,149.62

Finding the Fourth Proportional to 1,077,139.28, 1,615,749.93 and 403,149.62

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Solution

The fourth proportional to 1,077,139.28, 1,615,749.93 and 403,149.62 is: 604,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,139.28 : 1,615,749.93 = 403,149.62 : x
  2. Step 2: Convert to fraction form
    1,077,139.28/1,615,749.93 = 403,149.62/x
  3. Step 3: Cross multiply
    1,077,139.28x = 1,615,749.93 × 403,149.62
  4. Step 4: Simplify right side
    1,077,139.28x = 651,388,974,333.90
  5. Step 5: Solve for x
    x = 651,388,974,333.90/1,077,139.28
  6. Step 6: Final answer
    x = 604,739.78

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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.