Home / 1,256,788.33-1,882,803.89-742,915.02

Finding the Fourth Proportional to 1,256,788.33, 1,882,803.89 and 742,915.02

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Solution

The fourth proportional to 1,256,788.33, 1,882,803.89 and 742,915.02 is: 1,112,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,788.33 : 1,882,803.89 = 742,915.02 : x
  2. Step 2: Convert to fraction form
    1,256,788.33/1,882,803.89 = 742,915.02/x
  3. Step 3: Cross multiply
    1,256,788.33x = 1,882,803.89 × 742,915.02
  4. Step 4: Simplify right side
    1,256,788.33x = 1,398,763,289,595.43
  5. Step 5: Solve for x
    x = 1,398,763,289,595.43/1,256,788.33
  6. Step 6: Final answer
    x = 1,112,966.48

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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.