Home / 969,639.60-1,454,459.40-686,204.40

Finding the Fourth Proportional to 969,639.60, 1,454,459.40 and 686,204.40

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Solution

The fourth proportional to 969,639.60, 1,454,459.40 and 686,204.40 is: 1,029,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,639.60 : 1,454,459.40 = 686,204.40 : x
  2. Step 2: Convert to fraction form
    969,639.60/1,454,459.40 = 686,204.40/x
  3. Step 3: Cross multiply
    969,639.60x = 1,454,459.40 × 686,204.40
  4. Step 4: Simplify right side
    969,639.60x = 998,056,439,901.36
  5. Step 5: Solve for x
    x = 998,056,439,901.36/969,639.60
  6. Step 6: Final answer
    x = 1,029,306.60

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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.