Home / 1,465,278.60-2,197,261.80-666,148.80

Finding the Fourth Proportional to 1,465,278.60, 2,197,261.80 and 666,148.80

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Solution

The fourth proportional to 1,465,278.60, 2,197,261.80 and 666,148.80 is: 998,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,278.60 : 2,197,261.80 = 666,148.80 : x
  2. Step 2: Convert to fraction form
    1,465,278.60/2,197,261.80 = 666,148.80/x
  3. Step 3: Cross multiply
    1,465,278.60x = 2,197,261.80 × 666,148.80
  4. Step 4: Simplify right side
    1,465,278.60x = 1,463,703,311,355.84
  5. Step 5: Solve for x
    x = 1,463,703,311,355.84/1,465,278.60
  6. Step 6: Final answer
    x = 998,924.92

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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.