Home / 1,758,659.92-2,636,217.60-693,289.60

Finding the Fourth Proportional to 1,758,659.92, 2,636,217.60 and 693,289.60

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Solution

The fourth proportional to 1,758,659.92, 2,636,217.60 and 693,289.60 is: 1,039,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,659.92 : 2,636,217.60 = 693,289.60 : x
  2. Step 2: Convert to fraction form
    1,758,659.92/2,636,217.60 = 693,289.60/x
  3. Step 3: Cross multiply
    1,758,659.92x = 2,636,217.60 × 693,289.60
  4. Step 4: Simplify right side
    1,758,659.92x = 1,827,662,245,416.96
  5. Step 5: Solve for x
    x = 1,827,662,245,416.96/1,758,659.92
  6. Step 6: Final answer
    x = 1,039,235.74

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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.