Home / 1,103,277.70-1,655,110.95-393,717.70

Finding the Fourth Proportional to 1,103,277.70, 1,655,110.95 and 393,717.70

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Solution

The fourth proportional to 1,103,277.70, 1,655,110.95 and 393,717.70 is: 590,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,277.70 : 1,655,110.95 = 393,717.70 : x
  2. Step 2: Convert to fraction form
    1,103,277.70/1,655,110.95 = 393,717.70/x
  3. Step 3: Cross multiply
    1,103,277.70x = 1,655,110.95 × 393,717.70
  4. Step 4: Simplify right side
    1,103,277.70x = 651,646,476,478.82
  5. Step 5: Solve for x
    x = 651,646,476,478.82/1,103,277.70
  6. Step 6: Final answer
    x = 590,645.92

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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.