Home / 1,672,653.78-2,308,256.19-908,700.66

Finding the Fourth Proportional to 1,672,653.78, 2,308,256.19 and 908,700.66

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Solution

The fourth proportional to 1,672,653.78, 2,308,256.19 and 908,700.66 is: 1,254,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,653.78 : 2,308,256.19 = 908,700.66 : x
  2. Step 2: Convert to fraction form
    1,672,653.78/2,308,256.19 = 908,700.66/x
  3. Step 3: Cross multiply
    1,672,653.78x = 2,308,256.19 × 908,700.66
  4. Step 4: Simplify right side
    1,672,653.78x = 2,097,513,923,302.09
  5. Step 5: Solve for x
    x = 2,097,513,923,302.09/1,672,653.78
  6. Step 6: Final answer
    x = 1,254,003.64

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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.