Home / 1,356,714.24-1,872,460.44-812,871.60

Finding the Fourth Proportional to 1,356,714.24, 1,872,460.44 and 812,871.60

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Solution

The fourth proportional to 1,356,714.24, 1,872,460.44 and 812,871.60 is: 1,121,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,714.24 : 1,872,460.44 = 812,871.60 : x
  2. Step 2: Convert to fraction form
    1,356,714.24/1,872,460.44 = 812,871.60/x
  3. Step 3: Cross multiply
    1,356,714.24x = 1,872,460.44 × 812,871.60
  4. Step 4: Simplify right side
    1,356,714.24x = 1,522,069,913,799.50
  5. Step 5: Solve for x
    x = 1,522,069,913,799.50/1,356,714.24
  6. Step 6: Final answer
    x = 1,121,879.52

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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.