Home / 1,917,668.43-2,875,755.02-718,937.28

Finding the Fourth Proportional to 1,917,668.43, 2,875,755.02 and 718,937.28

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Solution

The fourth proportional to 1,917,668.43, 2,875,755.02 and 718,937.28 is: 1,078,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,668.43 : 2,875,755.02 = 718,937.28 : x
  2. Step 2: Convert to fraction form
    1,917,668.43/2,875,755.02 = 718,937.28/x
  3. Step 3: Cross multiply
    1,917,668.43x = 2,875,755.02 × 718,937.28
  4. Step 4: Simplify right side
    1,917,668.43x = 2,067,487,488,430.46
  5. Step 5: Solve for x
    x = 2,067,487,488,430.46/1,917,668.43
  6. Step 6: Final answer
    x = 1,078,125.63

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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.