Home / 1,686,824-2,529,626.80-676,177.28

Finding the Fourth Proportional to 1,686,824, 2,529,626.80 and 676,177.28

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Solution

The fourth proportional to 1,686,824, 2,529,626.80 and 676,177.28 is: 1,014,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,824 : 2,529,626.80 = 676,177.28 : x
  2. Step 2: Convert to fraction form
    1,686,824/2,529,626.80 = 676,177.28/x
  3. Step 3: Cross multiply
    1,686,824x = 2,529,626.80 × 676,177.28
  4. Step 4: Simplify right side
    1,686,824x = 1,710,476,169,039.10
  5. Step 5: Solve for x
    x = 1,710,476,169,039.10/1,686,824
  6. Step 6: Final answer
    x = 1,014,021.72

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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.