Home / 1,307,459.80-1,805,050.74-855,538.12

Finding the Fourth Proportional to 1,307,459.80, 1,805,050.74 and 855,538.12

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Solution

The fourth proportional to 1,307,459.80, 1,805,050.74 and 855,538.12 is: 1,181,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,459.80 : 1,805,050.74 = 855,538.12 : x
  2. Step 2: Convert to fraction form
    1,307,459.80/1,805,050.74 = 855,538.12/x
  3. Step 3: Cross multiply
    1,307,459.80x = 1,805,050.74 × 855,538.12
  4. Step 4: Simplify right side
    1,307,459.80x = 1,544,289,716,604.21
  5. Step 5: Solve for x
    x = 1,544,289,716,604.21/1,307,459.80
  6. Step 6: Final answer
    x = 1,181,137.44

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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.