Home / 1,371,380.40-2,053,571.40-1,091,444.40

Finding the Fourth Proportional to 1,371,380.40, 2,053,571.40 and 1,091,444.40

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Solution

The fourth proportional to 1,371,380.40, 2,053,571.40 and 1,091,444.40 is: 1,634,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,380.40 : 2,053,571.40 = 1,091,444.40 : x
  2. Step 2: Convert to fraction form
    1,371,380.40/2,053,571.40 = 1,091,444.40/x
  3. Step 3: Cross multiply
    1,371,380.40x = 2,053,571.40 × 1,091,444.40
  4. Step 4: Simplify right side
    1,371,380.40x = 2,241,359,004,530.16
  5. Step 5: Solve for x
    x = 2,241,359,004,530.16/1,371,380.40
  6. Step 6: Final answer
    x = 1,634,381.68

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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.