Home / 1,430,537.40-2,145,806.10-365,662.80

Finding the Fourth Proportional to 1,430,537.40, 2,145,806.10 and 365,662.80

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Solution

The fourth proportional to 1,430,537.40, 2,145,806.10 and 365,662.80 is: 548,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,537.40 : 2,145,806.10 = 365,662.80 : x
  2. Step 2: Convert to fraction form
    1,430,537.40/2,145,806.10 = 365,662.80/x
  3. Step 3: Cross multiply
    1,430,537.40x = 2,145,806.10 × 365,662.80
  4. Step 4: Simplify right side
    1,430,537.40x = 784,641,466,783.08
  5. Step 5: Solve for x
    x = 784,641,466,783.08/1,430,537.40
  6. Step 6: Final answer
    x = 548,494.20

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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.