Home / 1,552,019.21-2,141,771.04-863,679.28

Finding the Fourth Proportional to 1,552,019.21, 2,141,771.04 and 863,679.28

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Solution

The fourth proportional to 1,552,019.21, 2,141,771.04 and 863,679.28 is: 1,191,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,019.21 : 2,141,771.04 = 863,679.28 : x
  2. Step 2: Convert to fraction form
    1,552,019.21/2,141,771.04 = 863,679.28/x
  3. Step 3: Cross multiply
    1,552,019.21x = 2,141,771.04 × 863,679.28
  4. Step 4: Simplify right side
    1,552,019.21x = 1,849,803,269,752.05
  5. Step 5: Solve for x
    x = 1,849,803,269,752.05/1,552,019.21
  6. Step 6: Final answer
    x = 1,191,868.80

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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.