Home / 903,962.70-1,355,944.05-768,660.30

Finding the Fourth Proportional to 903,962.70, 1,355,944.05 and 768,660.30

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Solution

The fourth proportional to 903,962.70, 1,355,944.05 and 768,660.30 is: 1,152,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,962.70 : 1,355,944.05 = 768,660.30 : x
  2. Step 2: Convert to fraction form
    903,962.70/1,355,944.05 = 768,660.30/x
  3. Step 3: Cross multiply
    903,962.70x = 1,355,944.05 × 768,660.30
  4. Step 4: Simplify right side
    903,962.70x = 1,042,260,360,256.22
  5. Step 5: Solve for x
    x = 1,042,260,360,256.22/903,962.70
  6. Step 6: Final answer
    x = 1,152,990.45

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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.