Home / 1,635,985.76-2,450,324.28-1,185,672.90

Finding the Fourth Proportional to 1,635,985.76, 2,450,324.28 and 1,185,672.90

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Solution

The fourth proportional to 1,635,985.76, 2,450,324.28 and 1,185,672.90 is: 1,775,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,985.76 : 2,450,324.28 = 1,185,672.90 : x
  2. Step 2: Convert to fraction form
    1,635,985.76/2,450,324.28 = 1,185,672.90/x
  3. Step 3: Cross multiply
    1,635,985.76x = 2,450,324.28 × 1,185,672.90
  4. Step 4: Simplify right side
    1,635,985.76x = 2,905,283,095,008.01
  5. Step 5: Solve for x
    x = 2,905,283,095,008.01/1,635,985.76
  6. Step 6: Final answer
    x = 1,775,860.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.