Home / 1,020,633.21-1,531,293.93-451,936.71

Finding the Fourth Proportional to 1,020,633.21, 1,531,293.93 and 451,936.71

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Solution

The fourth proportional to 1,020,633.21, 1,531,293.93 and 451,936.71 is: 678,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,633.21 : 1,531,293.93 = 451,936.71 : x
  2. Step 2: Convert to fraction form
    1,020,633.21/1,531,293.93 = 451,936.71/x
  3. Step 3: Cross multiply
    1,020,633.21x = 1,531,293.93 × 451,936.71
  4. Step 4: Simplify right side
    1,020,633.21x = 692,047,940,767.17
  5. Step 5: Solve for x
    x = 692,047,940,767.17/1,020,633.21
  6. Step 6: Final answer
    x = 678,057.44

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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.