Home / 1,628,518.98-2,440,287.38-870,468.32

Finding the Fourth Proportional to 1,628,518.98, 2,440,287.38 and 870,468.32

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Solution

The fourth proportional to 1,628,518.98, 2,440,287.38 and 870,468.32 is: 1,304,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,518.98 : 2,440,287.38 = 870,468.32 : x
  2. Step 2: Convert to fraction form
    1,628,518.98/2,440,287.38 = 870,468.32/x
  3. Step 3: Cross multiply
    1,628,518.98x = 2,440,287.38 × 870,468.32
  4. Step 4: Simplify right side
    1,628,518.98x = 2,124,192,855,985.80
  5. Step 5: Solve for x
    x = 2,124,192,855,985.80/1,628,518.98
  6. Step 6: Final answer
    x = 1,304,370.95

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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.