Home / 852,504.70-1,281,867.45-715,647.10

Finding the Fourth Proportional to 852,504.70, 1,281,867.45 and 715,647.10

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Solution

The fourth proportional to 852,504.70, 1,281,867.45 and 715,647.10 is: 1,076,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,504.70 : 1,281,867.45 = 715,647.10 : x
  2. Step 2: Convert to fraction form
    852,504.70/1,281,867.45 = 715,647.10/x
  3. Step 3: Cross multiply
    852,504.70x = 1,281,867.45 × 715,647.10
  4. Step 4: Simplify right side
    852,504.70x = 917,364,723,176.90
  5. Step 5: Solve for x
    x = 917,364,723,176.90/852,504.70
  6. Step 6: Final answer
    x = 1,076,081.72

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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.