Home / 1,070,845.40-1,607,175.30-440,211.80

Finding the Fourth Proportional to 1,070,845.40, 1,607,175.30 and 440,211.80

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Solution

The fourth proportional to 1,070,845.40, 1,607,175.30 and 440,211.80 is: 660,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,845.40 : 1,607,175.30 = 440,211.80 : x
  2. Step 2: Convert to fraction form
    1,070,845.40/1,607,175.30 = 440,211.80/x
  3. Step 3: Cross multiply
    1,070,845.40x = 1,607,175.30 × 440,211.80
  4. Step 4: Simplify right side
    1,070,845.40x = 707,497,531,728.54
  5. Step 5: Solve for x
    x = 707,497,531,728.54/1,070,845.40
  6. Step 6: Final answer
    x = 660,690.64

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Double scale
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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.