Home / 1,428,322.83-2,143,322.13-530,388.02

Finding the Fourth Proportional to 1,428,322.83, 2,143,322.13 and 530,388.02

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Solution

The fourth proportional to 1,428,322.83, 2,143,322.13 and 530,388.02 is: 795,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,322.83 : 2,143,322.13 = 530,388.02 : x
  2. Step 2: Convert to fraction form
    1,428,322.83/2,143,322.13 = 530,388.02/x
  3. Step 3: Cross multiply
    1,428,322.83x = 2,143,322.13 × 530,388.02
  4. Step 4: Simplify right side
    1,428,322.83x = 1,136,792,370,036.27
  5. Step 5: Solve for x
    x = 1,136,792,370,036.27/1,428,322.83
  6. Step 6: Final answer
    x = 795,893.16

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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.