Home / 1,124,955.18-1,687,759.56-405,283.22

Finding the Fourth Proportional to 1,124,955.18, 1,687,759.56 and 405,283.22

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Solution

The fourth proportional to 1,124,955.18, 1,687,759.56 and 405,283.22 is: 608,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,955.18 : 1,687,759.56 = 405,283.22 : x
  2. Step 2: Convert to fraction form
    1,124,955.18/1,687,759.56 = 405,283.22/x
  3. Step 3: Cross multiply
    1,124,955.18x = 1,687,759.56 × 405,283.22
  4. Step 4: Simplify right side
    1,124,955.18x = 684,020,620,623.79
  5. Step 5: Solve for x
    x = 684,020,620,623.79/1,124,955.18
  6. Step 6: Final answer
    x = 608,042.55

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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.