Home / 1,406,015.38-1,940,291.55-761,420.82

Finding the Fourth Proportional to 1,406,015.38, 1,940,291.55 and 761,420.82

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Solution

The fourth proportional to 1,406,015.38, 1,940,291.55 and 761,420.82 is: 1,050,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,015.38 : 1,940,291.55 = 761,420.82 : x
  2. Step 2: Convert to fraction form
    1,406,015.38/1,940,291.55 = 761,420.82/x
  3. Step 3: Cross multiply
    1,406,015.38x = 1,940,291.55 × 761,420.82
  4. Step 4: Simplify right side
    1,406,015.38x = 1,477,378,390,316.16
  5. Step 5: Solve for x
    x = 1,477,378,390,316.16/1,406,015.38
  6. Step 6: Final answer
    x = 1,050,755.50

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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.