Home / 1,514,911.56-2,091,335.48-942,136.28

Finding the Fourth Proportional to 1,514,911.56, 2,091,335.48 and 942,136.28

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Solution

The fourth proportional to 1,514,911.56, 2,091,335.48 and 942,136.28 is: 1,300,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,911.56 : 2,091,335.48 = 942,136.28 : x
  2. Step 2: Convert to fraction form
    1,514,911.56/2,091,335.48 = 942,136.28/x
  3. Step 3: Cross multiply
    1,514,911.56x = 2,091,335.48 × 942,136.28
  4. Step 4: Simplify right side
    1,514,911.56x = 1,970,323,029,359.21
  5. Step 5: Solve for x
    x = 1,970,323,029,359.21/1,514,911.56
  6. Step 6: Final answer
    x = 1,300,619.18

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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.