Home / 1,020,295.12-1,529,786.58-487,804.36

Finding the Fourth Proportional to 1,020,295.12, 1,529,786.58 and 487,804.36

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Solution

The fourth proportional to 1,020,295.12, 1,529,786.58 and 487,804.36 is: 731,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,295.12 : 1,529,786.58 = 487,804.36 : x
  2. Step 2: Convert to fraction form
    1,020,295.12/1,529,786.58 = 487,804.36/x
  3. Step 3: Cross multiply
    1,020,295.12x = 1,529,786.58 × 487,804.36
  4. Step 4: Simplify right side
    1,020,295.12x = 746,236,563,593.49
  5. Step 5: Solve for x
    x = 746,236,563,593.49/1,020,295.12
  6. Step 6: Final answer
    x = 731,392.86

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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.