Home / 1,631,739.78-2,447,415.27-433,749.78

Finding the Fourth Proportional to 1,631,739.78, 2,447,415.27 and 433,749.78

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Solution

The fourth proportional to 1,631,739.78, 2,447,415.27 and 433,749.78 is: 650,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,739.78 : 2,447,415.27 = 433,749.78 : x
  2. Step 2: Convert to fraction form
    1,631,739.78/2,447,415.27 = 433,749.78/x
  3. Step 3: Cross multiply
    1,631,739.78x = 2,447,415.27 × 433,749.78
  4. Step 4: Simplify right side
    1,631,739.78x = 1,061,565,834,931.14
  5. Step 5: Solve for x
    x = 1,061,565,834,931.14/1,631,739.78
  6. Step 6: Final answer
    x = 650,572.99

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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.