Home / 1,372,731.48-1,893,728.70-863,714.52

Finding the Fourth Proportional to 1,372,731.48, 1,893,728.70 and 863,714.52

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Solution

The fourth proportional to 1,372,731.48, 1,893,728.70 and 863,714.52 is: 1,191,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,731.48 : 1,893,728.70 = 863,714.52 : x
  2. Step 2: Convert to fraction form
    1,372,731.48/1,893,728.70 = 863,714.52/x
  3. Step 3: Cross multiply
    1,372,731.48x = 1,893,728.70 × 863,714.52
  4. Step 4: Simplify right side
    1,372,731.48x = 1,635,640,975,130.72
  5. Step 5: Solve for x
    x = 1,635,640,975,130.72/1,372,731.48
  6. Step 6: Final answer
    x = 1,191,522.89

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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.