Home / 1,020,347.58-1,529,505.79-487,245.38

Finding the Fourth Proportional to 1,020,347.58, 1,529,505.79 and 487,245.38

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Solution

The fourth proportional to 1,020,347.58, 1,529,505.79 and 487,245.38 is: 730,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,347.58 : 1,529,505.79 = 487,245.38 : x
  2. Step 2: Convert to fraction form
    1,020,347.58/1,529,505.79 = 487,245.38/x
  3. Step 3: Cross multiply
    1,020,347.58x = 1,529,505.79 × 487,245.38
  4. Step 4: Simplify right side
    1,020,347.58x = 745,244,620,995.11
  5. Step 5: Solve for x
    x = 745,244,620,995.11/1,020,347.58
  6. Step 6: Final answer
    x = 730,383.09

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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.