Home / 1,126,653.80-1,686,870.30-877,821.80

Finding the Fourth Proportional to 1,126,653.80, 1,686,870.30 and 877,821.80

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Solution

The fourth proportional to 1,126,653.80, 1,686,870.30 and 877,821.80 is: 1,314,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,653.80 : 1,686,870.30 = 877,821.80 : x
  2. Step 2: Convert to fraction form
    1,126,653.80/1,686,870.30 = 877,821.80/x
  3. Step 3: Cross multiply
    1,126,653.80x = 1,686,870.30 × 877,821.80
  4. Step 4: Simplify right side
    1,126,653.80x = 1,480,771,523,112.54
  5. Step 5: Solve for x
    x = 1,480,771,523,112.54/1,126,653.80
  6. Step 6: Final answer
    x = 1,314,309.26

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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.