Home / 1,085,856.84-1,628,718.66-486,657.18

Finding the Fourth Proportional to 1,085,856.84, 1,628,718.66 and 486,657.18

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Solution

The fourth proportional to 1,085,856.84, 1,628,718.66 and 486,657.18 is: 729,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,856.84 : 1,628,718.66 = 486,657.18 : x
  2. Step 2: Convert to fraction form
    1,085,856.84/1,628,718.66 = 486,657.18/x
  3. Step 3: Cross multiply
    1,085,856.84x = 1,628,718.66 × 486,657.18
  4. Step 4: Simplify right side
    1,085,856.84x = 792,627,630,088.98
  5. Step 5: Solve for x
    x = 792,627,630,088.98/1,085,856.84
  6. Step 6: Final answer
    x = 729,955.92

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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.