Home / 1,514,706.90-2,270,930.40-915,541.80

Finding the Fourth Proportional to 1,514,706.90, 2,270,930.40 and 915,541.80

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Solution

The fourth proportional to 1,514,706.90, 2,270,930.40 and 915,541.80 is: 1,372,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,706.90 : 2,270,930.40 = 915,541.80 : x
  2. Step 2: Convert to fraction form
    1,514,706.90/2,270,930.40 = 915,541.80/x
  3. Step 3: Cross multiply
    1,514,706.90x = 2,270,930.40 × 915,541.80
  4. Step 4: Simplify right side
    1,514,706.90x = 2,079,131,706,090.72
  5. Step 5: Solve for x
    x = 2,079,131,706,090.72/1,514,706.90
  6. Step 6: Final answer
    x = 1,372,629.72

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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.