Home / 1,628,515.89-2,440,282.79-870,465.24

Finding the Fourth Proportional to 1,628,515.89, 2,440,282.79 and 870,465.24

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Solution

The fourth proportional to 1,628,515.89, 2,440,282.79 and 870,465.24 is: 1,304,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,515.89 : 2,440,282.79 = 870,465.24 : x
  2. Step 2: Convert to fraction form
    1,628,515.89/2,440,282.79 = 870,465.24/x
  3. Step 3: Cross multiply
    1,628,515.89x = 2,440,282.79 × 870,465.24
  4. Step 4: Simplify right side
    1,628,515.89x = 2,124,181,344,465.22
  5. Step 5: Solve for x
    x = 2,124,181,344,465.22/1,628,515.89
  6. Step 6: Final answer
    x = 1,304,366.36

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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.