Home / 1,011,709.76-1,396,810.32-649,289.84

Finding the Fourth Proportional to 1,011,709.76, 1,396,810.32 and 649,289.84

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Solution

The fourth proportional to 1,011,709.76, 1,396,810.32 and 649,289.84 is: 896,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,709.76 : 1,396,810.32 = 649,289.84 : x
  2. Step 2: Convert to fraction form
    1,011,709.76/1,396,810.32 = 649,289.84/x
  3. Step 3: Cross multiply
    1,011,709.76x = 1,396,810.32 × 649,289.84
  4. Step 4: Simplify right side
    1,011,709.76x = 906,934,749,183.15
  5. Step 5: Solve for x
    x = 906,934,749,183.15/1,011,709.76
  6. Step 6: Final answer
    x = 896,437.68

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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.