Home / 1,180,939.10-1,630,480.37-908,526.38

Finding the Fourth Proportional to 1,180,939.10, 1,630,480.37 and 908,526.38

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Solution

The fourth proportional to 1,180,939.10, 1,630,480.37 and 908,526.38 is: 1,254,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,939.10 : 1,630,480.37 = 908,526.38 : x
  2. Step 2: Convert to fraction form
    1,180,939.10/1,630,480.37 = 908,526.38/x
  3. Step 3: Cross multiply
    1,180,939.10x = 1,630,480.37 × 908,526.38
  4. Step 4: Simplify right side
    1,180,939.10x = 1,481,334,415,522.13
  5. Step 5: Solve for x
    x = 1,481,334,415,522.13/1,180,939.10
  6. Step 6: Final answer
    x = 1,254,369.87

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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.