Home / 1,427,583.42-2,141,935.65-628,304.31

Finding the Fourth Proportional to 1,427,583.42, 2,141,935.65 and 628,304.31

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Solution

The fourth proportional to 1,427,583.42, 2,141,935.65 and 628,304.31 is: 942,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,583.42 : 2,141,935.65 = 628,304.31 : x
  2. Step 2: Convert to fraction form
    1,427,583.42/2,141,935.65 = 628,304.31/x
  3. Step 3: Cross multiply
    1,427,583.42x = 2,141,935.65 × 628,304.31
  4. Step 4: Simplify right side
    1,427,583.42x = 1,345,787,400,637.65
  5. Step 5: Solve for x
    x = 1,345,787,400,637.65/1,427,583.42
  6. Step 6: Final answer
    x = 942,703.16

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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.