Home / 1,319,925.78-1,821,524.85-746,965.80

Finding the Fourth Proportional to 1,319,925.78, 1,821,524.85 and 746,965.80

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Solution

The fourth proportional to 1,319,925.78, 1,821,524.85 and 746,965.80 is: 1,030,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,925.78 : 1,821,524.85 = 746,965.80 : x
  2. Step 2: Convert to fraction form
    1,319,925.78/1,821,524.85 = 746,965.80/x
  3. Step 3: Cross multiply
    1,319,925.78x = 1,821,524.85 × 746,965.80
  4. Step 4: Simplify right side
    1,319,925.78x = 1,360,616,766,800.13
  5. Step 5: Solve for x
    x = 1,360,616,766,800.13/1,319,925.78
  6. Step 6: Final answer
    x = 1,030,828.24

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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.