Home / 1,299,095.57-1,792,714.70-718,308.66

Finding the Fourth Proportional to 1,299,095.57, 1,792,714.70 and 718,308.66

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Solution

The fourth proportional to 1,299,095.57, 1,792,714.70 and 718,308.66 is: 991,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,095.57 : 1,792,714.70 = 718,308.66 : x
  2. Step 2: Convert to fraction form
    1,299,095.57/1,792,714.70 = 718,308.66/x
  3. Step 3: Cross multiply
    1,299,095.57x = 1,792,714.70 × 718,308.66
  4. Step 4: Simplify right side
    1,299,095.57x = 1,287,722,498,397.27
  5. Step 5: Solve for x
    x = 1,287,722,498,397.27/1,299,095.57
  6. Step 6: Final answer
    x = 991,245.39

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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.