Home / 1,118,436.61-1,543,387.51-634,938.30

Finding the Fourth Proportional to 1,118,436.61, 1,543,387.51 and 634,938.30

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Solution

The fourth proportional to 1,118,436.61, 1,543,387.51 and 634,938.30 is: 876,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,436.61 : 1,543,387.51 = 634,938.30 : x
  2. Step 2: Convert to fraction form
    1,118,436.61/1,543,387.51 = 634,938.30/x
  3. Step 3: Cross multiply
    1,118,436.61x = 1,543,387.51 × 634,938.30
  4. Step 4: Simplify right side
    1,118,436.61x = 979,955,841,840.63
  5. Step 5: Solve for x
    x = 979,955,841,840.63/1,118,436.61
  6. Step 6: Final answer
    x = 876,183.62

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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.