Home / 1,075,412.48-1,613,118.72-327,458.48

Finding the Fourth Proportional to 1,075,412.48, 1,613,118.72 and 327,458.48

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Solution

The fourth proportional to 1,075,412.48, 1,613,118.72 and 327,458.48 is: 491,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,412.48 : 1,613,118.72 = 327,458.48 : x
  2. Step 2: Convert to fraction form
    1,075,412.48/1,613,118.72 = 327,458.48/x
  3. Step 3: Cross multiply
    1,075,412.48x = 1,613,118.72 × 327,458.48
  4. Step 4: Simplify right side
    1,075,412.48x = 528,229,404,110.75
  5. Step 5: Solve for x
    x = 528,229,404,110.75/1,075,412.48
  6. Step 6: Final answer
    x = 491,187.72

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1.5x scale

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.