Home / 1,346,653.70-2,019,980.55-638,065.70

Finding the Fourth Proportional to 1,346,653.70, 2,019,980.55 and 638,065.70

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Solution

The fourth proportional to 1,346,653.70, 2,019,980.55 and 638,065.70 is: 957,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,653.70 : 2,019,980.55 = 638,065.70 : x
  2. Step 2: Convert to fraction form
    1,346,653.70/2,019,980.55 = 638,065.70/x
  3. Step 3: Cross multiply
    1,346,653.70x = 2,019,980.55 × 638,065.70
  4. Step 4: Simplify right side
    1,346,653.70x = 1,288,880,303,622.14
  5. Step 5: Solve for x
    x = 1,288,880,303,622.14/1,346,653.70
  6. Step 6: Final answer
    x = 957,098.55

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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.