Home / 1,513,648.87-2,089,341.53-901,993.47

Finding the Fourth Proportional to 1,513,648.87, 2,089,341.53 and 901,993.47

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Solution

The fourth proportional to 1,513,648.87, 2,089,341.53 and 901,993.47 is: 1,245,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,648.87 : 2,089,341.53 = 901,993.47 : x
  2. Step 2: Convert to fraction form
    1,513,648.87/2,089,341.53 = 901,993.47/x
  3. Step 3: Cross multiply
    1,513,648.87x = 2,089,341.53 × 901,993.47
  4. Step 4: Simplify right side
    1,513,648.87x = 1,884,572,409,181.47
  5. Step 5: Solve for x
    x = 1,884,572,409,181.47/1,513,648.87
  6. Step 6: Final answer
    x = 1,245,052.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.