Home / 806,746.40-1,210,119.60-676,838.60

Finding the Fourth Proportional to 806,746.40, 1,210,119.60 and 676,838.60

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Solution

The fourth proportional to 806,746.40, 1,210,119.60 and 676,838.60 is: 1,015,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,746.40 : 1,210,119.60 = 676,838.60 : x
  2. Step 2: Convert to fraction form
    806,746.40/1,210,119.60 = 676,838.60/x
  3. Step 3: Cross multiply
    806,746.40x = 1,210,119.60 × 676,838.60
  4. Step 4: Simplify right side
    806,746.40x = 819,055,655,896.56
  5. Step 5: Solve for x
    x = 819,055,655,896.56/806,746.40
  6. Step 6: Final answer
    x = 1,015,257.90

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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.