Home / 1,272,389.67-1,755,899.64-699,433.35

Finding the Fourth Proportional to 1,272,389.67, 1,755,899.64 and 699,433.35

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Solution

The fourth proportional to 1,272,389.67, 1,755,899.64 and 699,433.35 is: 965,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,389.67 : 1,755,899.64 = 699,433.35 : x
  2. Step 2: Convert to fraction form
    1,272,389.67/1,755,899.64 = 699,433.35/x
  3. Step 3: Cross multiply
    1,272,389.67x = 1,755,899.64 × 699,433.35
  4. Step 4: Simplify right side
    1,272,389.67x = 1,228,134,767,468.99
  5. Step 5: Solve for x
    x = 1,228,134,767,468.99/1,272,389.67
  6. Step 6: Final answer
    x = 965,219.06

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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.