Home / 1,015,454.72-1,401,344.08-556,613.33

Finding the Fourth Proportional to 1,015,454.72, 1,401,344.08 and 556,613.33

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Solution

The fourth proportional to 1,015,454.72, 1,401,344.08 and 556,613.33 is: 768,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,454.72 : 1,401,344.08 = 556,613.33 : x
  2. Step 2: Convert to fraction form
    1,015,454.72/1,401,344.08 = 556,613.33/x
  3. Step 3: Cross multiply
    1,015,454.72x = 1,401,344.08 × 556,613.33
  4. Step 4: Simplify right side
    1,015,454.72x = 780,006,786,446.33
  5. Step 5: Solve for x
    x = 780,006,786,446.33/1,015,454.72
  6. Step 6: Final answer
    x = 768,135.47

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1.5x scale

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.