Home / 1,208,331.30-1,812,496.95-810,200.10

Finding the Fourth Proportional to 1,208,331.30, 1,812,496.95 and 810,200.10

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Solution

The fourth proportional to 1,208,331.30, 1,812,496.95 and 810,200.10 is: 1,215,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,331.30 : 1,812,496.95 = 810,200.10 : x
  2. Step 2: Convert to fraction form
    1,208,331.30/1,812,496.95 = 810,200.10/x
  3. Step 3: Cross multiply
    1,208,331.30x = 1,812,496.95 × 810,200.10
  4. Step 4: Simplify right side
    1,208,331.30x = 1,468,485,210,139.69
  5. Step 5: Solve for x
    x = 1,468,485,210,139.69/1,208,331.30
  6. Step 6: Final answer
    x = 1,215,300.15

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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.