Home / 1,450,530.78-2,175,795.76-453,258.78

Finding the Fourth Proportional to 1,450,530.78, 2,175,795.76 and 453,258.78

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Solution

The fourth proportional to 1,450,530.78, 2,175,795.76 and 453,258.78 is: 679,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,530.78 : 2,175,795.76 = 453,258.78 : x
  2. Step 2: Convert to fraction form
    1,450,530.78/2,175,795.76 = 453,258.78/x
  3. Step 3: Cross multiply
    1,450,530.78x = 2,175,795.76 × 453,258.78
  4. Step 4: Simplify right side
    1,450,530.78x = 986,198,531,706.77
  5. Step 5: Solve for x
    x = 986,198,531,706.77/1,450,530.78
  6. Step 6: Final answer
    x = 679,888.04

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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.