Home / 1,019,970.37-1,529,966.22-300,325.69

Finding the Fourth Proportional to 1,019,970.37, 1,529,966.22 and 300,325.69

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Solution

The fourth proportional to 1,019,970.37, 1,529,966.22 and 300,325.69 is: 450,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,970.37 : 1,529,966.22 = 300,325.69 : x
  2. Step 2: Convert to fraction form
    1,019,970.37/1,529,966.22 = 300,325.69/x
  3. Step 3: Cross multiply
    1,019,970.37x = 1,529,966.22 × 300,325.69
  4. Step 4: Simplify right side
    1,019,970.37x = 459,488,160,698.19
  5. Step 5: Solve for x
    x = 459,488,160,698.19/1,019,970.37
  6. Step 6: Final answer
    x = 450,491.68

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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.