Home / 1,480,043.70-2,220,065.55-415,266.30

Finding the Fourth Proportional to 1,480,043.70, 2,220,065.55 and 415,266.30

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Solution

The fourth proportional to 1,480,043.70, 2,220,065.55 and 415,266.30 is: 622,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,043.70 : 2,220,065.55 = 415,266.30 : x
  2. Step 2: Convert to fraction form
    1,480,043.70/2,220,065.55 = 415,266.30/x
  3. Step 3: Cross multiply
    1,480,043.70x = 2,220,065.55 × 415,266.30
  4. Step 4: Simplify right side
    1,480,043.70x = 921,918,406,705.97
  5. Step 5: Solve for x
    x = 921,918,406,705.97/1,480,043.70
  6. Step 6: Final answer
    x = 622,899.45

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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.