Home / 1,340,357.87-2,011,533.51-541,646.33

Finding the Fourth Proportional to 1,340,357.87, 2,011,533.51 and 541,646.33

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Solution

The fourth proportional to 1,340,357.87, 2,011,533.51 and 541,646.33 is: 812,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,357.87 : 2,011,533.51 = 541,646.33 : x
  2. Step 2: Convert to fraction form
    1,340,357.87/2,011,533.51 = 541,646.33/x
  3. Step 3: Cross multiply
    1,340,357.87x = 2,011,533.51 × 541,646.33
  4. Step 4: Simplify right side
    1,340,357.87x = 1,089,539,748,392.35
  5. Step 5: Solve for x
    x = 1,089,539,748,392.35/1,340,357.87
  6. Step 6: Final answer
    x = 812,872.27

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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.