Home / 1,388,422.51-2,082,679.59-477,595.84

Finding the Fourth Proportional to 1,388,422.51, 2,082,679.59 and 477,595.84

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Solution

The fourth proportional to 1,388,422.51, 2,082,679.59 and 477,595.84 is: 716,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,422.51 : 2,082,679.59 = 477,595.84 : x
  2. Step 2: Convert to fraction form
    1,388,422.51/2,082,679.59 = 477,595.84/x
  3. Step 3: Cross multiply
    1,388,422.51x = 2,082,679.59 × 477,595.84
  4. Step 4: Simplify right side
    1,388,422.51x = 994,679,108,236.91
  5. Step 5: Solve for x
    x = 994,679,108,236.91/1,388,422.51
  6. Step 6: Final answer
    x = 716,409.52

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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.