Home / 1,230,957.67-1,699,005.02-721,824.07

Finding the Fourth Proportional to 1,230,957.67, 1,699,005.02 and 721,824.07

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Solution

The fourth proportional to 1,230,957.67, 1,699,005.02 and 721,824.07 is: 996,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,957.67 : 1,699,005.02 = 721,824.07 : x
  2. Step 2: Convert to fraction form
    1,230,957.67/1,699,005.02 = 721,824.07/x
  3. Step 3: Cross multiply
    1,230,957.67x = 1,699,005.02 × 721,824.07
  4. Step 4: Simplify right side
    1,230,957.67x = 1,226,382,706,382.69
  5. Step 5: Solve for x
    x = 1,226,382,706,382.69/1,230,957.67
  6. Step 6: Final answer
    x = 996,283.42

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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.