Home / 1,208,054.61-1,812,039.98-309,503.79

Finding the Fourth Proportional to 1,208,054.61, 1,812,039.98 and 309,503.79

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Solution

The fourth proportional to 1,208,054.61, 1,812,039.98 and 309,503.79 is: 464,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,054.61 : 1,812,039.98 = 309,503.79 : x
  2. Step 2: Convert to fraction form
    1,208,054.61/1,812,039.98 = 309,503.79/x
  3. Step 3: Cross multiply
    1,208,054.61x = 1,812,039.98 × 309,503.79
  4. Step 4: Simplify right side
    1,208,054.61x = 560,833,239,894.01
  5. Step 5: Solve for x
    x = 560,833,239,894.01/1,208,054.61
  6. Step 6: Final answer
    x = 464,244.94

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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.