Home / 1,069,586.56-1,475,888.88-639,709.92

Finding the Fourth Proportional to 1,069,586.56, 1,475,888.88 and 639,709.92

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Solution

The fourth proportional to 1,069,586.56, 1,475,888.88 and 639,709.92 is: 882,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,586.56 : 1,475,888.88 = 639,709.92 : x
  2. Step 2: Convert to fraction form
    1,069,586.56/1,475,888.88 = 639,709.92/x
  3. Step 3: Cross multiply
    1,069,586.56x = 1,475,888.88 × 639,709.92
  4. Step 4: Simplify right side
    1,069,586.56x = 944,140,757,353.69
  5. Step 5: Solve for x
    x = 944,140,757,353.69/1,069,586.56
  6. Step 6: Final answer
    x = 882,715.61

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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.