Home / 1,434,554.70-2,151,329.13-423,406.86

Finding the Fourth Proportional to 1,434,554.70, 2,151,329.13 and 423,406.86

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Solution

The fourth proportional to 1,434,554.70, 2,151,329.13 and 423,406.86 is: 634,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,554.70 : 2,151,329.13 = 423,406.86 : x
  2. Step 2: Convert to fraction form
    1,434,554.70/2,151,329.13 = 423,406.86/x
  3. Step 3: Cross multiply
    1,434,554.70x = 2,151,329.13 × 423,406.86
  4. Step 4: Simplify right side
    1,434,554.70x = 910,887,511,759.83
  5. Step 5: Solve for x
    x = 910,887,511,759.83/1,434,554.70
  6. Step 6: Final answer
    x = 634,961.85

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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.