Home / 1,404,143.08-1,936,930.02-860,542.28

Finding the Fourth Proportional to 1,404,143.08, 1,936,930.02 and 860,542.28

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Solution

The fourth proportional to 1,404,143.08, 1,936,930.02 and 860,542.28 is: 1,187,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,143.08 : 1,936,930.02 = 860,542.28 : x
  2. Step 2: Convert to fraction form
    1,404,143.08/1,936,930.02 = 860,542.28/x
  3. Step 3: Cross multiply
    1,404,143.08x = 1,936,930.02 × 860,542.28
  4. Step 4: Simplify right side
    1,404,143.08x = 1,666,810,175,611.25
  5. Step 5: Solve for x
    x = 1,666,810,175,611.25/1,404,143.08
  6. Step 6: Final answer
    x = 1,187,065.76

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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.