Home / 1,234,315.80-1,702,669.68-718,011.60

Finding the Fourth Proportional to 1,234,315.80, 1,702,669.68 and 718,011.60

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Solution

The fourth proportional to 1,234,315.80, 1,702,669.68 and 718,011.60 is: 990,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,315.80 : 1,702,669.68 = 718,011.60 : x
  2. Step 2: Convert to fraction form
    1,234,315.80/1,702,669.68 = 718,011.60/x
  3. Step 3: Cross multiply
    1,234,315.80x = 1,702,669.68 × 718,011.60
  4. Step 4: Simplify right side
    1,234,315.80x = 1,222,536,581,208.29
  5. Step 5: Solve for x
    x = 1,222,536,581,208.29/1,234,315.80
  6. Step 6: Final answer
    x = 990,456.88

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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.