Home / 1,208,343.96-1,812,473.70-309,794.76

Finding the Fourth Proportional to 1,208,343.96, 1,812,473.70 and 309,794.76

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Solution

The fourth proportional to 1,208,343.96, 1,812,473.70 and 309,794.76 is: 464,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,343.96 : 1,812,473.70 = 309,794.76 : x
  2. Step 2: Convert to fraction form
    1,208,343.96/1,812,473.70 = 309,794.76/x
  3. Step 3: Cross multiply
    1,208,343.96x = 1,812,473.70 × 309,794.76
  4. Step 4: Simplify right side
    1,208,343.96x = 561,494,854,897.81
  5. Step 5: Solve for x
    x = 561,494,854,897.81/1,208,343.96
  6. Step 6: Final answer
    x = 464,681.31

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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.