Home / 1,071,143.48-1,606,708.28-272,418.13

Finding the Fourth Proportional to 1,071,143.48, 1,606,708.28 and 272,418.13

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Solution

The fourth proportional to 1,071,143.48, 1,606,708.28 and 272,418.13 is: 408,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,143.48 : 1,606,708.28 = 272,418.13 : x
  2. Step 2: Convert to fraction form
    1,071,143.48/1,606,708.28 = 272,418.13/x
  3. Step 3: Cross multiply
    1,071,143.48x = 1,606,708.28 × 272,418.13
  4. Step 4: Simplify right side
    1,071,143.48x = 437,696,467,782.55
  5. Step 5: Solve for x
    x = 437,696,467,782.55/1,071,143.48
  6. Step 6: Final answer
    x = 408,625.43

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1.5x scale

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.