Home / 1,208,489-1,809,234.14-910,225.96

Finding the Fourth Proportional to 1,208,489, 1,809,234.14 and 910,225.96

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Solution

The fourth proportional to 1,208,489, 1,809,234.14 and 910,225.96 is: 1,362,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,489 : 1,809,234.14 = 910,225.96 : x
  2. Step 2: Convert to fraction form
    1,208,489/1,809,234.14 = 910,225.96/x
  3. Step 3: Cross multiply
    1,208,489x = 1,809,234.14 × 910,225.96
  4. Step 4: Simplify right side
    1,208,489x = 1,646,811,881,946.27
  5. Step 5: Solve for x
    x = 1,646,811,881,946.27/1,208,489
  6. Step 6: Final answer
    x = 1,362,703.25

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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.