Home / 1,085,895.47-1,627,875.30-412,449.70

Finding the Fourth Proportional to 1,085,895.47, 1,627,875.30 and 412,449.70

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Solution

The fourth proportional to 1,085,895.47, 1,627,875.30 and 412,449.70 is: 618,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,895.47 : 1,627,875.30 = 412,449.70 : x
  2. Step 2: Convert to fraction form
    1,085,895.47/1,627,875.30 = 412,449.70/x
  3. Step 3: Cross multiply
    1,085,895.47x = 1,627,875.30 × 412,449.70
  4. Step 4: Simplify right side
    1,085,895.47x = 671,416,679,122.41
  5. Step 5: Solve for x
    x = 671,416,679,122.41/1,085,895.47
  6. Step 6: Final answer
    x = 618,306.92

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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.