Home / 1,388,490.80-2,083,513.80-589,636.40

Finding the Fourth Proportional to 1,388,490.80, 2,083,513.80 and 589,636.40

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Solution

The fourth proportional to 1,388,490.80, 2,083,513.80 and 589,636.40 is: 884,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,490.80 : 2,083,513.80 = 589,636.40 : x
  2. Step 2: Convert to fraction form
    1,388,490.80/2,083,513.80 = 589,636.40/x
  3. Step 3: Cross multiply
    1,388,490.80x = 2,083,513.80 × 589,636.40
  4. Step 4: Simplify right side
    1,388,490.80x = 1,228,515,576,382.32
  5. Step 5: Solve for x
    x = 1,228,515,576,382.32/1,388,490.80
  6. Step 6: Final answer
    x = 884,784.82

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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.