Home / 1,099,116.76-1,648,484.80-330,603.36

Finding the Fourth Proportional to 1,099,116.76, 1,648,484.80 and 330,603.36

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Solution

The fourth proportional to 1,099,116.76, 1,648,484.80 and 330,603.36 is: 495,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,116.76 : 1,648,484.80 = 330,603.36 : x
  2. Step 2: Convert to fraction form
    1,099,116.76/1,648,484.80 = 330,603.36/x
  3. Step 3: Cross multiply
    1,099,116.76x = 1,648,484.80 × 330,603.36
  4. Step 4: Simplify right side
    1,099,116.76x = 544,994,613,788.93
  5. Step 5: Solve for x
    x = 544,994,613,788.93/1,099,116.76
  6. Step 6: Final answer
    x = 495,847.79

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1.5x scale

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.