Home / 1,761,980-2,431,326.12-1,036,668.20

Finding the Fourth Proportional to 1,761,980, 2,431,326.12 and 1,036,668.20

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Solution

The fourth proportional to 1,761,980, 2,431,326.12 and 1,036,668.20 is: 1,430,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,980 : 2,431,326.12 = 1,036,668.20 : x
  2. Step 2: Convert to fraction form
    1,761,980/2,431,326.12 = 1,036,668.20/x
  3. Step 3: Cross multiply
    1,761,980x = 2,431,326.12 × 1,036,668.20
  4. Step 4: Simplify right side
    1,761,980x = 2,520,478,472,433.38
  5. Step 5: Solve for x
    x = 2,520,478,472,433.38/1,761,980
  6. Step 6: Final answer
    x = 1,430,480.75

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.