Home / 1,042,057-1,438,038.66-589,338.28

Finding the Fourth Proportional to 1,042,057, 1,438,038.66 and 589,338.28

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Solution

The fourth proportional to 1,042,057, 1,438,038.66 and 589,338.28 is: 813,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,057 : 1,438,038.66 = 589,338.28 : x
  2. Step 2: Convert to fraction form
    1,042,057/1,438,038.66 = 589,338.28/x
  3. Step 3: Cross multiply
    1,042,057x = 1,438,038.66 × 589,338.28
  4. Step 4: Simplify right side
    1,042,057x = 847,491,230,457.91
  5. Step 5: Solve for x
    x = 847,491,230,457.91/1,042,057
  6. Step 6: Final answer
    x = 813,286.83

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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.