Home / 1,242,987.30-1,714,347.98-850,752.72

Finding the Fourth Proportional to 1,242,987.30, 1,714,347.98 and 850,752.72

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Solution

The fourth proportional to 1,242,987.30, 1,714,347.98 and 850,752.72 is: 1,173,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,987.30 : 1,714,347.98 = 850,752.72 : x
  2. Step 2: Convert to fraction form
    1,242,987.30/1,714,347.98 = 850,752.72/x
  3. Step 3: Cross multiply
    1,242,987.30x = 1,714,347.98 × 850,752.72
  4. Step 4: Simplify right side
    1,242,987.30x = 1,458,486,207,011.51
  5. Step 5: Solve for x
    x = 1,458,486,207,011.51/1,242,987.30
  6. Step 6: Final answer
    x = 1,173,371.77

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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.