Home / 1,036,917.78-1,430,246.37-900,714.48

Finding the Fourth Proportional to 1,036,917.78, 1,430,246.37 and 900,714.48

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Solution

The fourth proportional to 1,036,917.78, 1,430,246.37 and 900,714.48 is: 1,242,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,917.78 : 1,430,246.37 = 900,714.48 : x
  2. Step 2: Convert to fraction form
    1,036,917.78/1,430,246.37 = 900,714.48/x
  3. Step 3: Cross multiply
    1,036,917.78x = 1,430,246.37 × 900,714.48
  4. Step 4: Simplify right side
    1,036,917.78x = 1,288,243,615,426.44
  5. Step 5: Solve for x
    x = 1,288,243,615,426.44/1,036,917.78
  6. Step 6: Final answer
    x = 1,242,377.79

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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.