Home / 1,108,433.34-1,529,655.03-649,438.07

Finding the Fourth Proportional to 1,108,433.34, 1,529,655.03 and 649,438.07

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Solution

The fourth proportional to 1,108,433.34, 1,529,655.03 and 649,438.07 is: 896,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,433.34 : 1,529,655.03 = 649,438.07 : x
  2. Step 2: Convert to fraction form
    1,108,433.34/1,529,655.03 = 649,438.07/x
  3. Step 3: Cross multiply
    1,108,433.34x = 1,529,655.03 × 649,438.07
  4. Step 4: Simplify right side
    1,108,433.34x = 993,416,202,800.72
  5. Step 5: Solve for x
    x = 993,416,202,800.72/1,108,433.34
  6. Step 6: Final answer
    x = 896,234.50

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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.