Home / 918,622.80-1,267,741.66-510,766.54

Finding the Fourth Proportional to 918,622.80, 1,267,741.66 and 510,766.54

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Solution

The fourth proportional to 918,622.80, 1,267,741.66 and 510,766.54 is: 704,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,622.80 : 1,267,741.66 = 510,766.54 : x
  2. Step 2: Convert to fraction form
    918,622.80/1,267,741.66 = 510,766.54/x
  3. Step 3: Cross multiply
    918,622.80x = 1,267,741.66 × 510,766.54
  4. Step 4: Simplify right side
    918,622.80x = 647,520,021,292.06
  5. Step 5: Solve for x
    x = 647,520,021,292.06/918,622.80
  6. Step 6: Final answer
    x = 704,881.29

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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.