Home / 1,135,013.83-1,698,315.32-909,690.86

Finding the Fourth Proportional to 1,135,013.83, 1,698,315.32 and 909,690.86

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Solution

The fourth proportional to 1,135,013.83, 1,698,315.32 and 909,690.86 is: 1,361,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,013.83 : 1,698,315.32 = 909,690.86 : x
  2. Step 2: Convert to fraction form
    1,135,013.83/1,698,315.32 = 909,690.86/x
  3. Step 3: Cross multiply
    1,135,013.83x = 1,698,315.32 × 909,690.86
  4. Step 4: Simplify right side
    1,135,013.83x = 1,544,941,930,521.99
  5. Step 5: Solve for x
    x = 1,544,941,930,521.99/1,135,013.83
  6. Step 6: Final answer
    x = 1,361,165.73

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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.