Home / 1,303,815.51-1,955,231.73-545,709.51

Finding the Fourth Proportional to 1,303,815.51, 1,955,231.73 and 545,709.51

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Solution

The fourth proportional to 1,303,815.51, 1,955,231.73 and 545,709.51 is: 818,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,815.51 : 1,955,231.73 = 545,709.51 : x
  2. Step 2: Convert to fraction form
    1,303,815.51/1,955,231.73 = 545,709.51/x
  3. Step 3: Cross multiply
    1,303,815.51x = 1,955,231.73 × 545,709.51
  4. Step 4: Simplify right side
    1,303,815.51x = 1,066,988,549,314.75
  5. Step 5: Solve for x
    x = 1,066,988,549,314.75/1,303,815.51
  6. Step 6: Final answer
    x = 818,358.53

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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.