Home / 1,096,070.40-1,643,716.80-386,121.60

Finding the Fourth Proportional to 1,096,070.40, 1,643,716.80 and 386,121.60

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Solution

The fourth proportional to 1,096,070.40, 1,643,716.80 and 386,121.60 is: 579,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,070.40 : 1,643,716.80 = 386,121.60 : x
  2. Step 2: Convert to fraction form
    1,096,070.40/1,643,716.80 = 386,121.60/x
  3. Step 3: Cross multiply
    1,096,070.40x = 1,643,716.80 × 386,121.60
  4. Step 4: Simplify right side
    1,096,070.40x = 634,674,560,762.88
  5. Step 5: Solve for x
    x = 634,674,560,762.88/1,096,070.40
  6. Step 6: Final answer
    x = 579,045.43

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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.