Home / 1,118,372.45-1,543,397.69-634,982.58

Finding the Fourth Proportional to 1,118,372.45, 1,543,397.69 and 634,982.58

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Solution

The fourth proportional to 1,118,372.45, 1,543,397.69 and 634,982.58 is: 876,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,372.45 : 1,543,397.69 = 634,982.58 : x
  2. Step 2: Convert to fraction form
    1,118,372.45/1,543,397.69 = 634,982.58/x
  3. Step 3: Cross multiply
    1,118,372.45x = 1,543,397.69 × 634,982.58
  4. Step 4: Simplify right side
    1,118,372.45x = 980,030,643,987.33
  5. Step 5: Solve for x
    x = 980,030,643,987.33/1,118,372.45
  6. Step 6: Final answer
    x = 876,300.77

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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.