Home / 1,150,714.88-1,587,710.40-742,730.32

Finding the Fourth Proportional to 1,150,714.88, 1,587,710.40 and 742,730.32

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Solution

The fourth proportional to 1,150,714.88, 1,587,710.40 and 742,730.32 is: 1,024,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,714.88 : 1,587,710.40 = 742,730.32 : x
  2. Step 2: Convert to fraction form
    1,150,714.88/1,587,710.40 = 742,730.32/x
  3. Step 3: Cross multiply
    1,150,714.88x = 1,587,710.40 × 742,730.32
  4. Step 4: Simplify right side
    1,150,714.88x = 1,179,240,653,459.33
  5. Step 5: Solve for x
    x = 1,179,240,653,459.33/1,150,714.88
  6. Step 6: Final answer
    x = 1,024,789.61

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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.