Home / 1,355,772.81-2,033,670.93-344,895.78

Finding the Fourth Proportional to 1,355,772.81, 2,033,670.93 and 344,895.78

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Solution

The fourth proportional to 1,355,772.81, 2,033,670.93 and 344,895.78 is: 517,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,772.81 : 2,033,670.93 = 344,895.78 : x
  2. Step 2: Convert to fraction form
    1,355,772.81/2,033,670.93 = 344,895.78/x
  3. Step 3: Cross multiply
    1,355,772.81x = 2,033,670.93 × 344,895.78
  4. Step 4: Simplify right side
    1,355,772.81x = 701,404,521,665.68
  5. Step 5: Solve for x
    x = 701,404,521,665.68/1,355,772.81
  6. Step 6: Final answer
    x = 517,346.65

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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.