Home / 1,344,308.69-1,854,563.10-800,139.35

Finding the Fourth Proportional to 1,344,308.69, 1,854,563.10 and 800,139.35

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Solution

The fourth proportional to 1,344,308.69, 1,854,563.10 and 800,139.35 is: 1,103,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,308.69 : 1,854,563.10 = 800,139.35 : x
  2. Step 2: Convert to fraction form
    1,344,308.69/1,854,563.10 = 800,139.35/x
  3. Step 3: Cross multiply
    1,344,308.69x = 1,854,563.10 × 800,139.35
  4. Step 4: Simplify right side
    1,344,308.69x = 1,483,908,913,367.99
  5. Step 5: Solve for x
    x = 1,483,908,913,367.99/1,344,308.69
  6. Step 6: Final answer
    x = 1,103,845.36

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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.