Home / 1,768,819.70-2,440,979.28-1,004,915.18

Finding the Fourth Proportional to 1,768,819.70, 2,440,979.28 and 1,004,915.18

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Solution

The fourth proportional to 1,768,819.70, 2,440,979.28 and 1,004,915.18 is: 1,386,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,819.70 : 2,440,979.28 = 1,004,915.18 : x
  2. Step 2: Convert to fraction form
    1,768,819.70/2,440,979.28 = 1,004,915.18/x
  3. Step 3: Cross multiply
    1,768,819.70x = 2,440,979.28 × 1,004,915.18
  4. Step 4: Simplify right side
    1,768,819.70x = 2,452,977,132,537.47
  5. Step 5: Solve for x
    x = 2,452,977,132,537.47/1,768,819.70
  6. Step 6: Final answer
    x = 1,386,787.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.