Home / 1,122,998.30-1,549,738.38-613,700.72

Finding the Fourth Proportional to 1,122,998.30, 1,549,738.38 and 613,700.72

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Solution

The fourth proportional to 1,122,998.30, 1,549,738.38 and 613,700.72 is: 846,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,998.30 : 1,549,738.38 = 613,700.72 : x
  2. Step 2: Convert to fraction form
    1,122,998.30/1,549,738.38 = 613,700.72/x
  3. Step 3: Cross multiply
    1,122,998.30x = 1,549,738.38 × 613,700.72
  4. Step 4: Simplify right side
    1,122,998.30x = 951,075,559,617.63
  5. Step 5: Solve for x
    x = 951,075,559,617.63/1,122,998.30
  6. Step 6: Final answer
    x = 846,907.39

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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.