Home / 1,200,732.79-1,657,024.32-656,856.90

Finding the Fourth Proportional to 1,200,732.79, 1,657,024.32 and 656,856.90

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Solution

The fourth proportional to 1,200,732.79, 1,657,024.32 and 656,856.90 is: 906,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,732.79 : 1,657,024.32 = 656,856.90 : x
  2. Step 2: Convert to fraction form
    1,200,732.79/1,657,024.32 = 656,856.90/x
  3. Step 3: Cross multiply
    1,200,732.79x = 1,657,024.32 × 656,856.90
  4. Step 4: Simplify right side
    1,200,732.79x = 1,088,427,858,059.81
  5. Step 5: Solve for x
    x = 1,088,427,858,059.81/1,200,732.79
  6. Step 6: Final answer
    x = 906,469.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.