Home / 1,001,330.57-1,501,820.70-281,501.15

Finding the Fourth Proportional to 1,001,330.57, 1,501,820.70 and 281,501.15

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Solution

The fourth proportional to 1,001,330.57, 1,501,820.70 and 281,501.15 is: 422,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,330.57 : 1,501,820.70 = 281,501.15 : x
  2. Step 2: Convert to fraction form
    1,001,330.57/1,501,820.70 = 281,501.15/x
  3. Step 3: Cross multiply
    1,001,330.57x = 1,501,820.70 × 281,501.15
  4. Step 4: Simplify right side
    1,001,330.57x = 422,764,254,143.81
  5. Step 5: Solve for x
    x = 422,764,254,143.81/1,001,330.57
  6. Step 6: Final answer
    x = 422,202.48

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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.