Home / 1,101,111.81-1,520,068.44-738,403.26

Finding the Fourth Proportional to 1,101,111.81, 1,520,068.44 and 738,403.26

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Solution

The fourth proportional to 1,101,111.81, 1,520,068.44 and 738,403.26 is: 1,019,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,111.81 : 1,520,068.44 = 738,403.26 : x
  2. Step 2: Convert to fraction form
    1,101,111.81/1,520,068.44 = 738,403.26/x
  3. Step 3: Cross multiply
    1,101,111.81x = 1,520,068.44 × 738,403.26
  4. Step 4: Simplify right side
    1,101,111.81x = 1,122,423,491,519.11
  5. Step 5: Solve for x
    x = 1,122,423,491,519.11/1,101,111.81
  6. Step 6: Final answer
    x = 1,019,354.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.