Home / 1,645,322.40-2,468,761.20-699,501.60

Finding the Fourth Proportional to 1,645,322.40, 2,468,761.20 and 699,501.60

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Solution

The fourth proportional to 1,645,322.40, 2,468,761.20 and 699,501.60 is: 1,049,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,322.40 : 2,468,761.20 = 699,501.60 : x
  2. Step 2: Convert to fraction form
    1,645,322.40/2,468,761.20 = 699,501.60/x
  3. Step 3: Cross multiply
    1,645,322.40x = 2,468,761.20 × 699,501.60
  4. Step 4: Simplify right side
    1,645,322.40x = 1,726,902,409,417.92
  5. Step 5: Solve for x
    x = 1,726,902,409,417.92/1,645,322.40
  6. Step 6: Final answer
    x = 1,049,582.99

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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.