Home / 1,514,903.55-2,091,324.47-942,128.25

Finding the Fourth Proportional to 1,514,903.55, 2,091,324.47 and 942,128.25

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Solution

The fourth proportional to 1,514,903.55, 2,091,324.47 and 942,128.25 is: 1,300,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,903.55 : 2,091,324.47 = 942,128.25 : x
  2. Step 2: Convert to fraction form
    1,514,903.55/2,091,324.47 = 942,128.25/x
  3. Step 3: Cross multiply
    1,514,903.55x = 2,091,324.47 × 942,128.25
  4. Step 4: Simplify right side
    1,514,903.55x = 1,970,295,855,849.64
  5. Step 5: Solve for x
    x = 1,970,295,855,849.64/1,514,903.55
  6. Step 6: Final answer
    x = 1,300,608.12

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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.