Home / 1,382,136.90-2,073,310.30-471,036.20

Finding the Fourth Proportional to 1,382,136.90, 2,073,310.30 and 471,036.20

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Solution

The fourth proportional to 1,382,136.90, 2,073,310.30 and 471,036.20 is: 706,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,136.90 : 2,073,310.30 = 471,036.20 : x
  2. Step 2: Convert to fraction form
    1,382,136.90/2,073,310.30 = 471,036.20/x
  3. Step 3: Cross multiply
    1,382,136.90x = 2,073,310.30 × 471,036.20
  4. Step 4: Simplify right side
    1,382,136.90x = 976,604,205,132.86
  5. Step 5: Solve for x
    x = 976,604,205,132.86/1,382,136.90
  6. Step 6: Final answer
    x = 706,590.07

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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.