Home / 1,384,153.86-1,908,938.97-900,542.34

Finding the Fourth Proportional to 1,384,153.86, 1,908,938.97 and 900,542.34

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Solution

The fourth proportional to 1,384,153.86, 1,908,938.97 and 900,542.34 is: 1,241,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,153.86 : 1,908,938.97 = 900,542.34 : x
  2. Step 2: Convert to fraction form
    1,384,153.86/1,908,938.97 = 900,542.34/x
  3. Step 3: Cross multiply
    1,384,153.86x = 1,908,938.97 × 900,542.34
  4. Step 4: Simplify right side
    1,384,153.86x = 1,719,080,366,960.99
  5. Step 5: Solve for x
    x = 1,719,080,366,960.99/1,384,153.86
  6. Step 6: Final answer
    x = 1,241,972.02

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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.