Home / 1,355,965.95-2,033,890.61-409,308.42

Finding the Fourth Proportional to 1,355,965.95, 2,033,890.61 and 409,308.42

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Solution

The fourth proportional to 1,355,965.95, 2,033,890.61 and 409,308.42 is: 613,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,965.95 : 2,033,890.61 = 409,308.42 : x
  2. Step 2: Convert to fraction form
    1,355,965.95/2,033,890.61 = 409,308.42/x
  3. Step 3: Cross multiply
    1,355,965.95x = 2,033,890.61 × 409,308.42
  4. Step 4: Simplify right side
    1,355,965.95x = 832,488,549,985.39
  5. Step 5: Solve for x
    x = 832,488,549,985.39/1,355,965.95
  6. Step 6: Final answer
    x = 613,945.03

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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.