Home / 1,011,699.02-1,396,435.56-667,785.98

Finding the Fourth Proportional to 1,011,699.02, 1,396,435.56 and 667,785.98

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Solution

The fourth proportional to 1,011,699.02, 1,396,435.56 and 667,785.98 is: 921,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,699.02 : 1,396,435.56 = 667,785.98 : x
  2. Step 2: Convert to fraction form
    1,011,699.02/1,396,435.56 = 667,785.98/x
  3. Step 3: Cross multiply
    1,011,699.02x = 1,396,435.56 × 667,785.98
  4. Step 4: Simplify right side
    1,011,699.02x = 932,520,088,941.45
  5. Step 5: Solve for x
    x = 932,520,088,941.45/1,011,699.02
  6. Step 6: Final answer
    x = 921,736.67

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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.