Home / 1,402,647.81-1,935,556.83-790,822.41

Finding the Fourth Proportional to 1,402,647.81, 1,935,556.83 and 790,822.41

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Solution

The fourth proportional to 1,402,647.81, 1,935,556.83 and 790,822.41 is: 1,091,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,647.81 : 1,935,556.83 = 790,822.41 : x
  2. Step 2: Convert to fraction form
    1,402,647.81/1,935,556.83 = 790,822.41/x
  3. Step 3: Cross multiply
    1,402,647.81x = 1,935,556.83 × 790,822.41
  4. Step 4: Simplify right side
    1,402,647.81x = 1,530,681,716,992.56
  5. Step 5: Solve for x
    x = 1,530,681,716,992.56/1,402,647.81
  6. Step 6: Final answer
    x = 1,091,280.15

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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.