Home / 1,612,412.51-2,418,968.69-490,452.35

Finding the Fourth Proportional to 1,612,412.51, 2,418,968.69 and 490,452.35

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Solution

The fourth proportional to 1,612,412.51, 2,418,968.69 and 490,452.35 is: 735,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,412.51 : 2,418,968.69 = 490,452.35 : x
  2. Step 2: Convert to fraction form
    1,612,412.51/2,418,968.69 = 490,452.35/x
  3. Step 3: Cross multiply
    1,612,412.51x = 2,418,968.69 × 490,452.35
  4. Step 4: Simplify right side
    1,612,412.51x = 1,186,388,864,039.82
  5. Step 5: Solve for x
    x = 1,186,388,864,039.82/1,612,412.51
  6. Step 6: Final answer
    x = 735,784.96

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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.