Home / 1,319,466.87-1,820,670.69-738,659.82

Finding the Fourth Proportional to 1,319,466.87, 1,820,670.69 and 738,659.82

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Solution

The fourth proportional to 1,319,466.87, 1,820,670.69 and 738,659.82 is: 1,019,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,466.87 : 1,820,670.69 = 738,659.82 : x
  2. Step 2: Convert to fraction form
    1,319,466.87/1,820,670.69 = 738,659.82/x
  3. Step 3: Cross multiply
    1,319,466.87x = 1,820,670.69 × 738,659.82
  4. Step 4: Simplify right side
    1,319,466.87x = 1,344,856,284,154.68
  5. Step 5: Solve for x
    x = 1,344,856,284,154.68/1,319,466.87
  6. Step 6: Final answer
    x = 1,019,242.18

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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.