Home / 1,209,910.24-1,669,697.51-658,641.89

Finding the Fourth Proportional to 1,209,910.24, 1,669,697.51 and 658,641.89

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Solution

The fourth proportional to 1,209,910.24, 1,669,697.51 and 658,641.89 is: 908,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,910.24 : 1,669,697.51 = 658,641.89 : x
  2. Step 2: Convert to fraction form
    1,209,910.24/1,669,697.51 = 658,641.89/x
  3. Step 3: Cross multiply
    1,209,910.24x = 1,669,697.51 × 658,641.89
  4. Step 4: Simplify right side
    1,209,910.24x = 1,099,732,720,421.48
  5. Step 5: Solve for x
    x = 1,099,732,720,421.48/1,209,910.24
  6. Step 6: Final answer
    x = 908,937.44

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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.