Home / 1,553,167.64-2,142,857.58-908,131.16

Finding the Fourth Proportional to 1,553,167.64, 2,142,857.58 and 908,131.16

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Solution

The fourth proportional to 1,553,167.64, 2,142,857.58 and 908,131.16 is: 1,252,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,167.64 : 2,142,857.58 = 908,131.16 : x
  2. Step 2: Convert to fraction form
    1,553,167.64/2,142,857.58 = 908,131.16/x
  3. Step 3: Cross multiply
    1,553,167.64x = 2,142,857.58 × 908,131.16
  4. Step 4: Simplify right side
    1,553,167.64x = 1,945,995,725,720.41
  5. Step 5: Solve for x
    x = 1,945,995,725,720.41/1,553,167.64
  6. Step 6: Final answer
    x = 1,252,920.60

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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.