Home / 1,543,756.60-2,315,416.20-478,906.30

Finding the Fourth Proportional to 1,543,756.60, 2,315,416.20 and 478,906.30

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Solution

The fourth proportional to 1,543,756.60, 2,315,416.20 and 478,906.30 is: 718,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,756.60 : 2,315,416.20 = 478,906.30 : x
  2. Step 2: Convert to fraction form
    1,543,756.60/2,315,416.20 = 478,906.30/x
  3. Step 3: Cross multiply
    1,543,756.60x = 2,315,416.20 × 478,906.30
  4. Step 4: Simplify right side
    1,543,756.60x = 1,108,867,405,302.06
  5. Step 5: Solve for x
    x = 1,108,867,405,302.06/1,543,756.60
  6. Step 6: Final answer
    x = 718,291.60

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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.