Home / 1,121,702.70-1,682,554.05-1,009,728.30

Finding the Fourth Proportional to 1,121,702.70, 1,682,554.05 and 1,009,728.30

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Solution

The fourth proportional to 1,121,702.70, 1,682,554.05 and 1,009,728.30 is: 1,514,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,702.70 : 1,682,554.05 = 1,009,728.30 : x
  2. Step 2: Convert to fraction form
    1,121,702.70/1,682,554.05 = 1,009,728.30/x
  3. Step 3: Cross multiply
    1,121,702.70x = 1,682,554.05 × 1,009,728.30
  4. Step 4: Simplify right side
    1,121,702.70x = 1,698,922,440,564.62
  5. Step 5: Solve for x
    x = 1,698,922,440,564.62/1,121,702.70
  6. Step 6: Final answer
    x = 1,514,592.45

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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.