Home / 852,478.60-1,279,409.10-824,830.60

Finding the Fourth Proportional to 852,478.60, 1,279,409.10 and 824,830.60

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Solution

The fourth proportional to 852,478.60, 1,279,409.10 and 824,830.60 is: 1,237,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,478.60 : 1,279,409.10 = 824,830.60 : x
  2. Step 2: Convert to fraction form
    852,478.60/1,279,409.10 = 824,830.60/x
  3. Step 3: Cross multiply
    852,478.60x = 1,279,409.10 × 824,830.60
  4. Step 4: Simplify right side
    852,478.60x = 1,055,295,775,598.46
  5. Step 5: Solve for x
    x = 1,055,295,775,598.46/852,478.60
  6. Step 6: Final answer
    x = 1,237,914.68

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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.