Home / 1,252,752.04-1,728,802.41-679,792.20

Finding the Fourth Proportional to 1,252,752.04, 1,728,802.41 and 679,792.20

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Solution

The fourth proportional to 1,252,752.04, 1,728,802.41 and 679,792.20 is: 938,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,752.04 : 1,728,802.41 = 679,792.20 : x
  2. Step 2: Convert to fraction form
    1,252,752.04/1,728,802.41 = 679,792.20/x
  3. Step 3: Cross multiply
    1,252,752.04x = 1,728,802.41 × 679,792.20
  4. Step 4: Simplify right side
    1,252,752.04x = 1,175,226,384,626.97
  5. Step 5: Solve for x
    x = 1,175,226,384,626.97/1,252,752.04
  6. Step 6: Final answer
    x = 938,115.72

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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.