Home / 1,689,416.48-2,330,811.96-963,740.72

Finding the Fourth Proportional to 1,689,416.48, 2,330,811.96 and 963,740.72

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Solution

The fourth proportional to 1,689,416.48, 2,330,811.96 and 963,740.72 is: 1,329,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,416.48 : 2,330,811.96 = 963,740.72 : x
  2. Step 2: Convert to fraction form
    1,689,416.48/2,330,811.96 = 963,740.72/x
  3. Step 3: Cross multiply
    1,689,416.48x = 2,330,811.96 × 963,740.72
  4. Step 4: Simplify right side
    1,689,416.48x = 2,246,298,396,515.01
  5. Step 5: Solve for x
    x = 2,246,298,396,515.01/1,689,416.48
  6. Step 6: Final answer
    x = 1,329,629.74

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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.