Home / 1,135,433.98-1,701,222.90-685,208.71

Finding the Fourth Proportional to 1,135,433.98, 1,701,222.90 and 685,208.71

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Solution

The fourth proportional to 1,135,433.98, 1,701,222.90 and 685,208.71 is: 1,026,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,433.98 : 1,701,222.90 = 685,208.71 : x
  2. Step 2: Convert to fraction form
    1,135,433.98/1,701,222.90 = 685,208.71/x
  3. Step 3: Cross multiply
    1,135,433.98x = 1,701,222.90 × 685,208.71
  4. Step 4: Simplify right side
    1,135,433.98x = 1,165,692,748,731.46
  5. Step 5: Solve for x
    x = 1,165,692,748,731.46/1,135,433.98
  6. Step 6: Final answer
    x = 1,026,649.52

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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.