Home / 1,184,811.20-1,777,216.80-1,054,174.40

Finding the Fourth Proportional to 1,184,811.20, 1,777,216.80 and 1,054,174.40

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Solution

The fourth proportional to 1,184,811.20, 1,777,216.80 and 1,054,174.40 is: 1,581,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,811.20 : 1,777,216.80 = 1,054,174.40 : x
  2. Step 2: Convert to fraction form
    1,184,811.20/1,777,216.80 = 1,054,174.40/x
  3. Step 3: Cross multiply
    1,184,811.20x = 1,777,216.80 × 1,054,174.40
  4. Step 4: Simplify right side
    1,184,811.20x = 1,873,496,453,809.92
  5. Step 5: Solve for x
    x = 1,873,496,453,809.92/1,184,811.20
  6. Step 6: Final answer
    x = 1,581,261.60

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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.