Home / 1,078,927.40-1,619,039.10-447,775.40

Finding the Fourth Proportional to 1,078,927.40, 1,619,039.10 and 447,775.40

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Solution

The fourth proportional to 1,078,927.40, 1,619,039.10 and 447,775.40 is: 671,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,927.40 : 1,619,039.10 = 447,775.40 : x
  2. Step 2: Convert to fraction form
    1,078,927.40/1,619,039.10 = 447,775.40/x
  3. Step 3: Cross multiply
    1,078,927.40x = 1,619,039.10 × 447,775.40
  4. Step 4: Simplify right side
    1,078,927.40x = 724,965,880,618.14
  5. Step 5: Solve for x
    x = 724,965,880,618.14/1,078,927.40
  6. Step 6: Final answer
    x = 671,932.03

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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.