Home / 1,243,812.98-1,865,852.82-345,258.52

Finding the Fourth Proportional to 1,243,812.98, 1,865,852.82 and 345,258.52

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Solution

The fourth proportional to 1,243,812.98, 1,865,852.82 and 345,258.52 is: 517,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,812.98 : 1,865,852.82 = 345,258.52 : x
  2. Step 2: Convert to fraction form
    1,243,812.98/1,865,852.82 = 345,258.52/x
  3. Step 3: Cross multiply
    1,243,812.98x = 1,865,852.82 × 345,258.52
  4. Step 4: Simplify right side
    1,243,812.98x = 644,201,578,506.39
  5. Step 5: Solve for x
    x = 644,201,578,506.39/1,243,812.98
  6. Step 6: Final answer
    x = 517,924.79

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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.