Home / 1,340,899.65-1,850,435.10-789,935.22

Finding the Fourth Proportional to 1,340,899.65, 1,850,435.10 and 789,935.22

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Solution

The fourth proportional to 1,340,899.65, 1,850,435.10 and 789,935.22 is: 1,090,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,899.65 : 1,850,435.10 = 789,935.22 : x
  2. Step 2: Convert to fraction form
    1,340,899.65/1,850,435.10 = 789,935.22/x
  3. Step 3: Cross multiply
    1,340,899.65x = 1,850,435.10 × 789,935.22
  4. Step 4: Simplify right side
    1,340,899.65x = 1,461,723,857,814.22
  5. Step 5: Solve for x
    x = 1,461,723,857,814.22/1,340,899.65
  6. Step 6: Final answer
    x = 1,090,106.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.