Home / 1,071,418.93-1,478,137.21-612,287.18

Finding the Fourth Proportional to 1,071,418.93, 1,478,137.21 and 612,287.18

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Solution

The fourth proportional to 1,071,418.93, 1,478,137.21 and 612,287.18 is: 844,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,418.93 : 1,478,137.21 = 612,287.18 : x
  2. Step 2: Convert to fraction form
    1,071,418.93/1,478,137.21 = 612,287.18/x
  3. Step 3: Cross multiply
    1,071,418.93x = 1,478,137.21 × 612,287.18
  4. Step 4: Simplify right side
    1,071,418.93x = 905,044,460,585.58
  5. Step 5: Solve for x
    x = 905,044,460,585.58/1,071,418.93
  6. Step 6: Final answer
    x = 844,715.77

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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.