Home / 852,499.20-1,281,859.20-715,641.60

Finding the Fourth Proportional to 852,499.20, 1,281,859.20 and 715,641.60

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Solution

The fourth proportional to 852,499.20, 1,281,859.20 and 715,641.60 is: 1,076,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,499.20 : 1,281,859.20 = 715,641.60 : x
  2. Step 2: Convert to fraction form
    852,499.20/1,281,859.20 = 715,641.60/x
  3. Step 3: Cross multiply
    852,499.20x = 1,281,859.20 × 715,641.60
  4. Step 4: Simplify right side
    852,499.20x = 917,351,768,862.72
  5. Step 5: Solve for x
    x = 917,351,768,862.72/852,499.20
  6. Step 6: Final answer
    x = 1,076,073.47

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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.