Home / 1,118,422.35-1,543,461.48-634,971.42

Finding the Fourth Proportional to 1,118,422.35, 1,543,461.48 and 634,971.42

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Solution

The fourth proportional to 1,118,422.35, 1,543,461.48 and 634,971.42 is: 876,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,422.35 : 1,543,461.48 = 634,971.42 : x
  2. Step 2: Convert to fraction form
    1,118,422.35/1,543,461.48 = 634,971.42/x
  3. Step 3: Cross multiply
    1,118,422.35x = 1,543,461.48 × 634,971.42
  4. Step 4: Simplify right side
    1,118,422.35x = 980,053,927,670.90
  5. Step 5: Solve for x
    x = 980,053,927,670.90/1,118,422.35
  6. Step 6: Final answer
    x = 876,282.50

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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.