Home / 1,208,531.42-1,812,797.58-309,973.08

Finding the Fourth Proportional to 1,208,531.42, 1,812,797.58 and 309,973.08

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Solution

The fourth proportional to 1,208,531.42, 1,812,797.58 and 309,973.08 is: 464,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,531.42 : 1,812,797.58 = 309,973.08 : x
  2. Step 2: Convert to fraction form
    1,208,531.42/1,812,797.58 = 309,973.08/x
  3. Step 3: Cross multiply
    1,208,531.42x = 1,812,797.58 × 309,973.08
  4. Step 4: Simplify right side
    1,208,531.42x = 561,918,445,744.87
  5. Step 5: Solve for x
    x = 561,918,445,744.87/1,208,531.42
  6. Step 6: Final answer
    x = 464,959.73

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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.