Home / 1,344,309.70-1,854,564.48-800,140.36

Finding the Fourth Proportional to 1,344,309.70, 1,854,564.48 and 800,140.36

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Solution

The fourth proportional to 1,344,309.70, 1,854,564.48 and 800,140.36 is: 1,103,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,309.70 : 1,854,564.48 = 800,140.36 : x
  2. Step 2: Convert to fraction form
    1,344,309.70/1,854,564.48 = 800,140.36/x
  3. Step 3: Cross multiply
    1,344,309.70x = 1,854,564.48 × 800,140.36
  4. Step 4: Simplify right side
    1,344,309.70x = 1,483,911,890,670.41
  5. Step 5: Solve for x
    x = 1,483,911,890,670.41/1,344,309.70
  6. Step 6: Final answer
    x = 1,103,846.75

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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.