Home / 2,686,798.76-4,030,729.70-767,727.32

Finding the Fourth Proportional to 2,686,798.76, 4,030,729.70 and 767,727.32

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Solution

The fourth proportional to 2,686,798.76, 4,030,729.70 and 767,727.32 is: 1,151,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,798.76 : 4,030,729.70 = 767,727.32 : x
  2. Step 2: Convert to fraction form
    2,686,798.76/4,030,729.70 = 767,727.32/x
  3. Step 3: Cross multiply
    2,686,798.76x = 4,030,729.70 × 767,727.32
  4. Step 4: Simplify right side
    2,686,798.76x = 3,094,501,286,233.12
  5. Step 5: Solve for x
    x = 3,094,501,286,233.12/2,686,798.76
  6. Step 6: Final answer
    x = 1,151,742.86

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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.