Home / 1,412.62-1,948.08-1,062.70

Finding the Fourth Proportional to 1,412.62, 1,948.08 and 1,062.70

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Solution

The fourth proportional to 1,412.62, 1,948.08 and 1,062.70 is: 1,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.62 : 1,948.08 = 1,062.70 : x
  2. Step 2: Convert to fraction form
    1,412.62/1,948.08 = 1,062.70/x
  3. Step 3: Cross multiply
    1,412.62x = 1,948.08 × 1,062.70
  4. Step 4: Simplify right side
    1,412.62x = 2,070,224.62
  5. Step 5: Solve for x
    x = 2,070,224.62/1,412.62
  6. Step 6: Final answer
    x = 1,465.52

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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.