Home / 1,347,544.10-2,021,348.55-400,945.70

Finding the Fourth Proportional to 1,347,544.10, 2,021,348.55 and 400,945.70

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Solution

The fourth proportional to 1,347,544.10, 2,021,348.55 and 400,945.70 is: 601,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,544.10 : 2,021,348.55 = 400,945.70 : x
  2. Step 2: Convert to fraction form
    1,347,544.10/2,021,348.55 = 400,945.70/x
  3. Step 3: Cross multiply
    1,347,544.10x = 2,021,348.55 × 400,945.70
  4. Step 4: Simplify right side
    1,347,544.10x = 810,451,009,323.74
  5. Step 5: Solve for x
    x = 810,451,009,323.74/1,347,544.10
  6. Step 6: Final answer
    x = 601,428.19

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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.