Home / 1,008,423.07-1,391,623.88-549,537.48

Finding the Fourth Proportional to 1,008,423.07, 1,391,623.88 and 549,537.48

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Solution

The fourth proportional to 1,008,423.07, 1,391,623.88 and 549,537.48 is: 758,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,423.07 : 1,391,623.88 = 549,537.48 : x
  2. Step 2: Convert to fraction form
    1,008,423.07/1,391,623.88 = 549,537.48/x
  3. Step 3: Cross multiply
    1,008,423.07x = 1,391,623.88 × 549,537.48
  4. Step 4: Simplify right side
    1,008,423.07x = 764,749,477,375.34
  5. Step 5: Solve for x
    x = 764,749,477,375.34/1,008,423.07
  6. Step 6: Final answer
    x = 758,361.75

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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.