Home / 1,118,412.96-1,543,427.64-634,968.24

Finding the Fourth Proportional to 1,118,412.96, 1,543,427.64 and 634,968.24

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Solution

The fourth proportional to 1,118,412.96, 1,543,427.64 and 634,968.24 is: 876,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,412.96 : 1,543,427.64 = 634,968.24 : x
  2. Step 2: Convert to fraction form
    1,118,412.96/1,543,427.64 = 634,968.24/x
  3. Step 3: Cross multiply
    1,118,412.96x = 1,543,427.64 × 634,968.24
  4. Step 4: Simplify right side
    1,118,412.96x = 980,027,532,138.15
  5. Step 5: Solve for x
    x = 980,027,532,138.15/1,118,412.96
  6. Step 6: Final answer
    x = 876,266.25

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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.