Home / 1,645,324.80-2,468,908.80-698,534.40

Finding the Fourth Proportional to 1,645,324.80, 2,468,908.80 and 698,534.40

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Solution

The fourth proportional to 1,645,324.80, 2,468,908.80 and 698,534.40 is: 1,048,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,324.80 : 2,468,908.80 = 698,534.40 : x
  2. Step 2: Convert to fraction form
    1,645,324.80/2,468,908.80 = 698,534.40/x
  3. Step 3: Cross multiply
    1,645,324.80x = 2,468,908.80 × 698,534.40
  4. Step 4: Simplify right side
    1,645,324.80x = 1,724,617,727,262.72
  5. Step 5: Solve for x
    x = 1,724,617,727,262.72/1,645,324.80
  6. Step 6: Final answer
    x = 1,048,192.87

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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.