Home / 1,426,240.88-2,139,344.80-346,759.56

Finding the Fourth Proportional to 1,426,240.88, 2,139,344.80 and 346,759.56

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Solution

The fourth proportional to 1,426,240.88, 2,139,344.80 and 346,759.56 is: 520,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,240.88 : 2,139,344.80 = 346,759.56 : x
  2. Step 2: Convert to fraction form
    1,426,240.88/2,139,344.80 = 346,759.56/x
  3. Step 3: Cross multiply
    1,426,240.88x = 2,139,344.80 × 346,759.56
  4. Step 4: Simplify right side
    1,426,240.88x = 741,838,261,536.29
  5. Step 5: Solve for x
    x = 741,838,261,536.29/1,426,240.88
  6. Step 6: Final answer
    x = 520,135.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.