Home / 1,207,000.60-1,665,688.64-663,170.32

Finding the Fourth Proportional to 1,207,000.60, 1,665,688.64 and 663,170.32

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Solution

The fourth proportional to 1,207,000.60, 1,665,688.64 and 663,170.32 is: 915,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,000.60 : 1,665,688.64 = 663,170.32 : x
  2. Step 2: Convert to fraction form
    1,207,000.60/1,665,688.64 = 663,170.32/x
  3. Step 3: Cross multiply
    1,207,000.60x = 1,665,688.64 × 663,170.32
  4. Step 4: Simplify right side
    1,207,000.60x = 1,104,635,268,409.16
  5. Step 5: Solve for x
    x = 1,104,635,268,409.16/1,207,000.60
  6. Step 6: Final answer
    x = 915,190.32

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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.