Home / 1,760,442.40-2,640,663.60-815,658.40

Finding the Fourth Proportional to 1,760,442.40, 2,640,663.60 and 815,658.40

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Solution

The fourth proportional to 1,760,442.40, 2,640,663.60 and 815,658.40 is: 1,223,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,442.40 : 2,640,663.60 = 815,658.40 : x
  2. Step 2: Convert to fraction form
    1,760,442.40/2,640,663.60 = 815,658.40/x
  3. Step 3: Cross multiply
    1,760,442.40x = 2,640,663.60 × 815,658.40
  4. Step 4: Simplify right side
    1,760,442.40x = 2,153,879,446,914.24
  5. Step 5: Solve for x
    x = 2,153,879,446,914.24/1,760,442.40
  6. Step 6: Final answer
    x = 1,223,487.60

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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.