Home / 1,108,802.43-1,529,858.20-649,670.31

Finding the Fourth Proportional to 1,108,802.43, 1,529,858.20 and 649,670.31

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Solution

The fourth proportional to 1,108,802.43, 1,529,858.20 and 649,670.31 is: 896,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,802.43 : 1,529,858.20 = 649,670.31 : x
  2. Step 2: Convert to fraction form
    1,108,802.43/1,529,858.20 = 649,670.31/x
  3. Step 3: Cross multiply
    1,108,802.43x = 1,529,858.20 × 649,670.31
  4. Step 4: Simplify right side
    1,108,802.43x = 993,903,447,801.69
  5. Step 5: Solve for x
    x = 993,903,447,801.69/1,108,802.43
  6. Step 6: Final answer
    x = 896,375.60

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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.