Home / 1,686,342.24-2,327,142.96-961,308

Finding the Fourth Proportional to 1,686,342.24, 2,327,142.96 and 961,308

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Solution

The fourth proportional to 1,686,342.24, 2,327,142.96 and 961,308 is: 1,326,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,342.24 : 2,327,142.96 = 961,308 : x
  2. Step 2: Convert to fraction form
    1,686,342.24/2,327,142.96 = 961,308/x
  3. Step 3: Cross multiply
    1,686,342.24x = 2,327,142.96 × 961,308
  4. Step 4: Simplify right side
    1,686,342.24x = 2,237,101,144,591.68
  5. Step 5: Solve for x
    x = 2,237,101,144,591.68/1,686,342.24
  6. Step 6: Final answer
    x = 1,326,599.72

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1.5x scale

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.