Home / 1,406,022.38-1,940,301.20-761,427.82

Finding the Fourth Proportional to 1,406,022.38, 1,940,301.20 and 761,427.82

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Solution

The fourth proportional to 1,406,022.38, 1,940,301.20 and 761,427.82 is: 1,050,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,022.38 : 1,940,301.20 = 761,427.82 : x
  2. Step 2: Convert to fraction form
    1,406,022.38/1,940,301.20 = 761,427.82/x
  3. Step 3: Cross multiply
    1,406,022.38x = 1,940,301.20 × 761,427.82
  4. Step 4: Simplify right side
    1,406,022.38x = 1,477,399,312,859.38
  5. Step 5: Solve for x
    x = 1,477,399,312,859.38/1,406,022.38
  6. Step 6: Final answer
    x = 1,050,765.15

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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.