Home / 1,208,688.54-1,812,835.74-355,560.66

Finding the Fourth Proportional to 1,208,688.54, 1,812,835.74 and 355,560.66

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Solution

The fourth proportional to 1,208,688.54, 1,812,835.74 and 355,560.66 is: 533,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,688.54 : 1,812,835.74 = 355,560.66 : x
  2. Step 2: Convert to fraction form
    1,208,688.54/1,812,835.74 = 355,560.66/x
  3. Step 3: Cross multiply
    1,208,688.54x = 1,812,835.74 × 355,560.66
  4. Step 4: Simplify right side
    1,208,688.54x = 644,573,072,185.99
  5. Step 5: Solve for x
    x = 644,573,072,185.99/1,208,688.54
  6. Step 6: Final answer
    x = 533,283.02

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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.