Home / 1,503,396.80-2,255,426.89-438,522.20

Finding the Fourth Proportional to 1,503,396.80, 2,255,426.89 and 438,522.20

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Solution

The fourth proportional to 1,503,396.80, 2,255,426.89 and 438,522.20 is: 657,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,396.80 : 2,255,426.89 = 438,522.20 : x
  2. Step 2: Convert to fraction form
    1,503,396.80/2,255,426.89 = 438,522.20/x
  3. Step 3: Cross multiply
    1,503,396.80x = 2,255,426.89 × 438,522.20
  4. Step 4: Simplify right side
    1,503,396.80x = 989,054,761,741.96
  5. Step 5: Solve for x
    x = 989,054,761,741.96/1,503,396.80
  6. Step 6: Final answer
    x = 657,880.05

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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.