Home / 1,085,472.41-1,496,221.71-855,655.16

Finding the Fourth Proportional to 1,085,472.41, 1,496,221.71 and 855,655.16

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Solution

The fourth proportional to 1,085,472.41, 1,496,221.71 and 855,655.16 is: 1,179,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,472.41 : 1,496,221.71 = 855,655.16 : x
  2. Step 2: Convert to fraction form
    1,085,472.41/1,496,221.71 = 855,655.16/x
  3. Step 3: Cross multiply
    1,085,472.41x = 1,496,221.71 × 855,655.16
  4. Step 4: Simplify right side
    1,085,472.41x = 1,280,249,825,064.11
  5. Step 5: Solve for x
    x = 1,280,249,825,064.11/1,085,472.41
  6. Step 6: Final answer
    x = 1,179,440.23

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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.