Home / 1,108,442.59-1,529,667.80-649,447.32

Finding the Fourth Proportional to 1,108,442.59, 1,529,667.80 and 649,447.32

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Solution

The fourth proportional to 1,108,442.59, 1,529,667.80 and 649,447.32 is: 896,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,442.59 : 1,529,667.80 = 649,447.32 : x
  2. Step 2: Convert to fraction form
    1,108,442.59/1,529,667.80 = 649,447.32/x
  3. Step 3: Cross multiply
    1,108,442.59x = 1,529,667.80 × 649,447.32
  4. Step 4: Simplify right side
    1,108,442.59x = 993,438,642,304.72
  5. Step 5: Solve for x
    x = 993,438,642,304.72/1,108,442.59
  6. Step 6: Final answer
    x = 896,247.27

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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.