Home / 1,107,011.07-1,660,749.89-358,998.75

Finding the Fourth Proportional to 1,107,011.07, 1,660,749.89 and 358,998.75

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Solution

The fourth proportional to 1,107,011.07, 1,660,749.89 and 358,998.75 is: 538,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,011.07 : 1,660,749.89 = 358,998.75 : x
  2. Step 2: Convert to fraction form
    1,107,011.07/1,660,749.89 = 358,998.75/x
  3. Step 3: Cross multiply
    1,107,011.07x = 1,660,749.89 × 358,998.75
  4. Step 4: Simplify right side
    1,107,011.07x = 596,207,132,777.64
  5. Step 5: Solve for x
    x = 596,207,132,777.64/1,107,011.07
  6. Step 6: Final answer
    x = 538,573.78

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1.5x scale

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.