Home / 1,226,778.22-1,692,835.20-904,661.74

Finding the Fourth Proportional to 1,226,778.22, 1,692,835.20 and 904,661.74

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Solution

The fourth proportional to 1,226,778.22, 1,692,835.20 and 904,661.74 is: 1,248,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,778.22 : 1,692,835.20 = 904,661.74 : x
  2. Step 2: Convert to fraction form
    1,226,778.22/1,692,835.20 = 904,661.74/x
  3. Step 3: Cross multiply
    1,226,778.22x = 1,692,835.20 × 904,661.74
  4. Step 4: Simplify right side
    1,226,778.22x = 1,531,443,237,565.25
  5. Step 5: Solve for x
    x = 1,531,443,237,565.25/1,226,778.22
  6. Step 6: Final answer
    x = 1,248,345.64

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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.