Home / 1,185,986.73-1,779,153.45-344,429.13

Finding the Fourth Proportional to 1,185,986.73, 1,779,153.45 and 344,429.13

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Solution

The fourth proportional to 1,185,986.73, 1,779,153.45 and 344,429.13 is: 516,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,986.73 : 1,779,153.45 = 344,429.13 : x
  2. Step 2: Convert to fraction form
    1,185,986.73/1,779,153.45 = 344,429.13/x
  3. Step 3: Cross multiply
    1,185,986.73x = 1,779,153.45 × 344,429.13
  4. Step 4: Simplify right side
    1,185,986.73x = 612,792,274,920.00
  5. Step 5: Solve for x
    x = 612,792,274,920.00/1,185,986.73
  6. Step 6: Final answer
    x = 516,694.04

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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.