Home / 1,868,271.40-2,802,018.30-520,085.80

Finding the Fourth Proportional to 1,868,271.40, 2,802,018.30 and 520,085.80

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Solution

The fourth proportional to 1,868,271.40, 2,802,018.30 and 520,085.80 is: 780,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,271.40 : 2,802,018.30 = 520,085.80 : x
  2. Step 2: Convert to fraction form
    1,868,271.40/2,802,018.30 = 520,085.80/x
  3. Step 3: Cross multiply
    1,868,271.40x = 2,802,018.30 × 520,085.80
  4. Step 4: Simplify right side
    1,868,271.40x = 1,457,289,929,170.14
  5. Step 5: Solve for x
    x = 1,457,289,929,170.14/1,868,271.40
  6. Step 6: Final answer
    x = 780,020.47

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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.