Home / 1,308,181.12-1,805,783.36-764,494.08

Finding the Fourth Proportional to 1,308,181.12, 1,805,783.36 and 764,494.08

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Solution

The fourth proportional to 1,308,181.12, 1,805,783.36 and 764,494.08 is: 1,055,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,181.12 : 1,805,783.36 = 764,494.08 : x
  2. Step 2: Convert to fraction form
    1,308,181.12/1,805,783.36 = 764,494.08/x
  3. Step 3: Cross multiply
    1,308,181.12x = 1,805,783.36 × 764,494.08
  4. Step 4: Simplify right side
    1,308,181.12x = 1,380,510,688,482.51
  5. Step 5: Solve for x
    x = 1,380,510,688,482.51/1,308,181.12
  6. Step 6: Final answer
    x = 1,055,290.18

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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.