Home / 1,101,828.90-1,652,743.35-723,915.30

Finding the Fourth Proportional to 1,101,828.90, 1,652,743.35 and 723,915.30

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Solution

The fourth proportional to 1,101,828.90, 1,652,743.35 and 723,915.30 is: 1,085,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,828.90 : 1,652,743.35 = 723,915.30 : x
  2. Step 2: Convert to fraction form
    1,101,828.90/1,652,743.35 = 723,915.30/x
  3. Step 3: Cross multiply
    1,101,828.90x = 1,652,743.35 × 723,915.30
  4. Step 4: Simplify right side
    1,101,828.90x = 1,196,446,198,038.26
  5. Step 5: Solve for x
    x = 1,196,446,198,038.26/1,101,828.90
  6. Step 6: Final answer
    x = 1,085,872.95

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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.