Home / 1,238,770.49-1,858,152.20-340,213.07

Finding the Fourth Proportional to 1,238,770.49, 1,858,152.20 and 340,213.07

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Solution

The fourth proportional to 1,238,770.49, 1,858,152.20 and 340,213.07 is: 510,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,770.49 : 1,858,152.20 = 340,213.07 : x
  2. Step 2: Convert to fraction form
    1,238,770.49/1,858,152.20 = 340,213.07/x
  3. Step 3: Cross multiply
    1,238,770.49x = 1,858,152.20 × 340,213.07
  4. Step 4: Simplify right side
    1,238,770.49x = 632,167,653,497.43
  5. Step 5: Solve for x
    x = 632,167,653,497.43/1,238,770.49
  6. Step 6: Final answer
    x = 510,318.63

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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.