Home / 1,252,389.04-1,728,297.56-679,429.14

Finding the Fourth Proportional to 1,252,389.04, 1,728,297.56 and 679,429.14

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Solution

The fourth proportional to 1,252,389.04, 1,728,297.56 and 679,429.14 is: 937,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,389.04 : 1,728,297.56 = 679,429.14 : x
  2. Step 2: Convert to fraction form
    1,252,389.04/1,728,297.56 = 679,429.14/x
  3. Step 3: Cross multiply
    1,252,389.04x = 1,728,297.56 × 679,429.14
  4. Step 4: Simplify right side
    1,252,389.04x = 1,174,255,724,854.90
  5. Step 5: Solve for x
    x = 1,174,255,724,854.90/1,252,389.04
  6. Step 6: Final answer
    x = 937,612.58

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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.