Home / 1,199,551.54-1,799,420.10-400,835.86

Finding the Fourth Proportional to 1,199,551.54, 1,799,420.10 and 400,835.86

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Solution

The fourth proportional to 1,199,551.54, 1,799,420.10 and 400,835.86 is: 601,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,551.54 : 1,799,420.10 = 400,835.86 : x
  2. Step 2: Convert to fraction form
    1,199,551.54/1,799,420.10 = 400,835.86/x
  3. Step 3: Cross multiply
    1,199,551.54x = 1,799,420.10 × 400,835.86
  4. Step 4: Simplify right side
    1,199,551.54x = 721,272,103,284.79
  5. Step 5: Solve for x
    x = 721,272,103,284.79/1,199,551.54
  6. Step 6: Final answer
    x = 601,284.80

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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.