Home / 1,688,499.49-2,330,086.38-943,431.42

Finding the Fourth Proportional to 1,688,499.49, 2,330,086.38 and 943,431.42

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Solution

The fourth proportional to 1,688,499.49, 2,330,086.38 and 943,431.42 is: 1,301,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,499.49 : 2,330,086.38 = 943,431.42 : x
  2. Step 2: Convert to fraction form
    1,688,499.49/2,330,086.38 = 943,431.42/x
  3. Step 3: Cross multiply
    1,688,499.49x = 2,330,086.38 × 943,431.42
  4. Step 4: Simplify right side
    1,688,499.49x = 2,198,276,702,206.06
  5. Step 5: Solve for x
    x = 2,198,276,702,206.06/1,688,499.49
  6. Step 6: Final answer
    x = 1,301,911.38

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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.