Home / 852,416.20-1,281,734.70-715,558.60

Finding the Fourth Proportional to 852,416.20, 1,281,734.70 and 715,558.60

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Solution

The fourth proportional to 852,416.20, 1,281,734.70 and 715,558.60 is: 1,075,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,416.20 : 1,281,734.70 = 715,558.60 : x
  2. Step 2: Convert to fraction form
    852,416.20/1,281,734.70 = 715,558.60/x
  3. Step 3: Cross multiply
    852,416.20x = 1,281,734.70 × 715,558.60
  4. Step 4: Simplify right side
    852,416.20x = 917,156,287,503.42
  5. Step 5: Solve for x
    x = 917,156,287,503.42/852,416.20
  6. Step 6: Final answer
    x = 1,075,948.92

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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.