Home / 1,213,746.28-1,820,854.30-465,734.12

Finding the Fourth Proportional to 1,213,746.28, 1,820,854.30 and 465,734.12

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Solution

The fourth proportional to 1,213,746.28, 1,820,854.30 and 465,734.12 is: 698,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,746.28 : 1,820,854.30 = 465,734.12 : x
  2. Step 2: Convert to fraction form
    1,213,746.28/1,820,854.30 = 465,734.12/x
  3. Step 3: Cross multiply
    1,213,746.28x = 1,820,854.30 × 465,734.12
  4. Step 4: Simplify right side
    1,213,746.28x = 848,033,975,058.72
  5. Step 5: Solve for x
    x = 848,033,975,058.72/1,213,746.28
  6. Step 6: Final answer
    x = 698,691.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.