Home / 1,224,897.80-1,690,453.67-734,885.78

Finding the Fourth Proportional to 1,224,897.80, 1,690,453.67 and 734,885.78

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Solution

The fourth proportional to 1,224,897.80, 1,690,453.67 and 734,885.78 is: 1,014,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,897.80 : 1,690,453.67 = 734,885.78 : x
  2. Step 2: Convert to fraction form
    1,224,897.80/1,690,453.67 = 734,885.78/x
  3. Step 3: Cross multiply
    1,224,897.80x = 1,690,453.67 × 734,885.78
  4. Step 4: Simplify right side
    1,224,897.80x = 1,242,290,351,705.12
  5. Step 5: Solve for x
    x = 1,242,290,351,705.12/1,224,897.80
  6. Step 6: Final answer
    x = 1,014,199.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.