Home / 1,434,021.80-2,151,092.06-423,143.75

Finding the Fourth Proportional to 1,434,021.80, 2,151,092.06 and 423,143.75

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Solution

The fourth proportional to 1,434,021.80, 2,151,092.06 and 423,143.75 is: 634,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,021.80 : 2,151,092.06 = 423,143.75 : x
  2. Step 2: Convert to fraction form
    1,434,021.80/2,151,092.06 = 423,143.75/x
  3. Step 3: Cross multiply
    1,434,021.80x = 2,151,092.06 × 423,143.75
  4. Step 4: Simplify right side
    1,434,021.80x = 910,221,158,747.91
  5. Step 5: Solve for x
    x = 910,221,158,747.91/1,434,021.80
  6. Step 6: Final answer
    x = 634,733.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.