Home / 1,728,702.43-2,385,849.80-964,805.20

Finding the Fourth Proportional to 1,728,702.43, 2,385,849.80 and 964,805.20

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Solution

The fourth proportional to 1,728,702.43, 2,385,849.80 and 964,805.20 is: 1,331,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,702.43 : 2,385,849.80 = 964,805.20 : x
  2. Step 2: Convert to fraction form
    1,728,702.43/2,385,849.80 = 964,805.20/x
  3. Step 3: Cross multiply
    1,728,702.43x = 2,385,849.80 × 964,805.20
  4. Step 4: Simplify right side
    1,728,702.43x = 2,301,880,293,458.96
  5. Step 5: Solve for x
    x = 2,301,880,293,458.96/1,728,702.43
  6. Step 6: Final answer
    x = 1,331,565.37

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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.