Home / 1,445,288.75-1,994,419.92-800,670.50

Finding the Fourth Proportional to 1,445,288.75, 1,994,419.92 and 800,670.50

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Solution

The fourth proportional to 1,445,288.75, 1,994,419.92 and 800,670.50 is: 1,104,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,288.75 : 1,994,419.92 = 800,670.50 : x
  2. Step 2: Convert to fraction form
    1,445,288.75/1,994,419.92 = 800,670.50/x
  3. Step 3: Cross multiply
    1,445,288.75x = 1,994,419.92 × 800,670.50
  4. Step 4: Simplify right side
    1,445,288.75x = 1,596,873,184,952.77
  5. Step 5: Solve for x
    x = 1,596,873,184,952.77/1,445,288.75
  6. Step 6: Final answer
    x = 1,104,881.77

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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.