Home / 1,316,034.42-1,815,816.25-764,422.36

Finding the Fourth Proportional to 1,316,034.42, 1,815,816.25 and 764,422.36

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Solution

The fourth proportional to 1,316,034.42, 1,815,816.25 and 764,422.36 is: 1,054,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,034.42 : 1,815,816.25 = 764,422.36 : x
  2. Step 2: Convert to fraction form
    1,316,034.42/1,815,816.25 = 764,422.36/x
  3. Step 3: Cross multiply
    1,316,034.42x = 1,815,816.25 × 764,422.36
  4. Step 4: Simplify right side
    1,316,034.42x = 1,388,050,543,151.35
  5. Step 5: Solve for x
    x = 1,388,050,543,151.35/1,316,034.42
  6. Step 6: Final answer
    x = 1,054,722.07

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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.