Home / 838,765.70-1,257,099.33-660,568.94

Finding the Fourth Proportional to 838,765.70, 1,257,099.33 and 660,568.94

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Solution

The fourth proportional to 838,765.70, 1,257,099.33 and 660,568.94 is: 990,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,765.70 : 1,257,099.33 = 660,568.94 : x
  2. Step 2: Convert to fraction form
    838,765.70/1,257,099.33 = 660,568.94/x
  3. Step 3: Cross multiply
    838,765.70x = 1,257,099.33 × 660,568.94
  4. Step 4: Simplify right side
    838,765.70x = 830,400,771,892.81
  5. Step 5: Solve for x
    x = 830,400,771,892.81/838,765.70
  6. Step 6: Final answer
    x = 990,027.10

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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.