Home / 1,323,073.51-1,982,112.22-781,714.47

Finding the Fourth Proportional to 1,323,073.51, 1,982,112.22 and 781,714.47

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Solution

The fourth proportional to 1,323,073.51, 1,982,112.22 and 781,714.47 is: 1,171,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,073.51 : 1,982,112.22 = 781,714.47 : x
  2. Step 2: Convert to fraction form
    1,323,073.51/1,982,112.22 = 781,714.47/x
  3. Step 3: Cross multiply
    1,323,073.51x = 1,982,112.22 × 781,714.47
  4. Step 4: Simplify right side
    1,323,073.51x = 1,549,445,803,537.82
  5. Step 5: Solve for x
    x = 1,549,445,803,537.82/1,323,073.51
  6. Step 6: Final answer
    x = 1,171,095.78

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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.