Home / 1,043,018.50-1,565,185.92-443,978.74

Finding the Fourth Proportional to 1,043,018.50, 1,565,185.92 and 443,978.74

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Solution

The fourth proportional to 1,043,018.50, 1,565,185.92 and 443,978.74 is: 666,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,018.50 : 1,565,185.92 = 443,978.74 : x
  2. Step 2: Convert to fraction form
    1,043,018.50/1,565,185.92 = 443,978.74/x
  3. Step 3: Cross multiply
    1,043,018.50x = 1,565,185.92 × 443,978.74
  4. Step 4: Simplify right side
    1,043,018.50x = 694,909,272,627.34
  5. Step 5: Solve for x
    x = 694,909,272,627.34/1,043,018.50
  6. Step 6: Final answer
    x = 666,248.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.