Home / 1,396,628.39-2,094,901.18-385,811.17

Finding the Fourth Proportional to 1,396,628.39, 2,094,901.18 and 385,811.17

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Solution

The fourth proportional to 1,396,628.39, 2,094,901.18 and 385,811.17 is: 578,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,628.39 : 2,094,901.18 = 385,811.17 : x
  2. Step 2: Convert to fraction form
    1,396,628.39/2,094,901.18 = 385,811.17/x
  3. Step 3: Cross multiply
    1,396,628.39x = 2,094,901.18 × 385,811.17
  4. Step 4: Simplify right side
    1,396,628.39x = 808,236,269,088.40
  5. Step 5: Solve for x
    x = 808,236,269,088.40/1,396,628.39
  6. Step 6: Final answer
    x = 578,705.31

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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.