Home / 1,243,403.95-1,865,105.82-344,845.67

Finding the Fourth Proportional to 1,243,403.95, 1,865,105.82 and 344,845.67

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Solution

The fourth proportional to 1,243,403.95, 1,865,105.82 and 344,845.67 is: 517,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,403.95 : 1,865,105.82 = 344,845.67 : x
  2. Step 2: Convert to fraction form
    1,243,403.95/1,865,105.82 = 344,845.67/x
  3. Step 3: Cross multiply
    1,243,403.95x = 1,865,105.82 × 344,845.67
  4. Step 4: Simplify right side
    1,243,403.95x = 643,173,666,118.80
  5. Step 5: Solve for x
    x = 643,173,666,118.80/1,243,403.95
  6. Step 6: Final answer
    x = 517,268.48

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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.