Home / 1,397,273.40-2,095,910.10-688,685.40

Finding the Fourth Proportional to 1,397,273.40, 2,095,910.10 and 688,685.40

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Solution

The fourth proportional to 1,397,273.40, 2,095,910.10 and 688,685.40 is: 1,033,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,273.40 : 2,095,910.10 = 688,685.40 : x
  2. Step 2: Convert to fraction form
    1,397,273.40/2,095,910.10 = 688,685.40/x
  3. Step 3: Cross multiply
    1,397,273.40x = 2,095,910.10 × 688,685.40
  4. Step 4: Simplify right side
    1,397,273.40x = 1,443,422,685,582.54
  5. Step 5: Solve for x
    x = 1,443,422,685,582.54/1,397,273.40
  6. Step 6: Final answer
    x = 1,033,028.10

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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.