Home / 1,208,531.81-1,812,798.16-309,973.57

Finding the Fourth Proportional to 1,208,531.81, 1,812,798.16 and 309,973.57

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Solution

The fourth proportional to 1,208,531.81, 1,812,798.16 and 309,973.57 is: 464,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,531.81 : 1,812,798.16 = 309,973.57 : x
  2. Step 2: Convert to fraction form
    1,208,531.81/1,812,798.16 = 309,973.57/x
  3. Step 3: Cross multiply
    1,208,531.81x = 1,812,798.16 × 309,973.57
  4. Step 4: Simplify right side
    1,208,531.81x = 561,919,512,037.70
  5. Step 5: Solve for x
    x = 561,919,512,037.70/1,208,531.81
  6. Step 6: Final answer
    x = 464,960.46

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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.