Home / 1,105,028.20-1,657,378.26-306,226.46

Finding the Fourth Proportional to 1,105,028.20, 1,657,378.26 and 306,226.46

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Solution

The fourth proportional to 1,105,028.20, 1,657,378.26 and 306,226.46 is: 459,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,028.20 : 1,657,378.26 = 306,226.46 : x
  2. Step 2: Convert to fraction form
    1,105,028.20/1,657,378.26 = 306,226.46/x
  3. Step 3: Cross multiply
    1,105,028.20x = 1,657,378.26 × 306,226.46
  4. Step 4: Simplify right side
    1,105,028.20x = 507,533,077,440.76
  5. Step 5: Solve for x
    x = 507,533,077,440.76/1,105,028.20
  6. Step 6: Final answer
    x = 459,294.23

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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.