Home / 1,181,281.07-1,630,083.22-665,008.20

Finding the Fourth Proportional to 1,181,281.07, 1,630,083.22 and 665,008.20

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Solution

The fourth proportional to 1,181,281.07, 1,630,083.22 and 665,008.20 is: 917,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,281.07 : 1,630,083.22 = 665,008.20 : x
  2. Step 2: Convert to fraction form
    1,181,281.07/1,630,083.22 = 665,008.20/x
  3. Step 3: Cross multiply
    1,181,281.07x = 1,630,083.22 × 665,008.20
  4. Step 4: Simplify right side
    1,181,281.07x = 1,084,018,706,319.88
  5. Step 5: Solve for x
    x = 1,084,018,706,319.88/1,181,281.07
  6. Step 6: Final answer
    x = 917,663.65

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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.