Home / 1,213,640.12-1,820,144.93-360,511.24

Finding the Fourth Proportional to 1,213,640.12, 1,820,144.93 and 360,511.24

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Solution

The fourth proportional to 1,213,640.12, 1,820,144.93 and 360,511.24 is: 540,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,640.12 : 1,820,144.93 = 360,511.24 : x
  2. Step 2: Convert to fraction form
    1,213,640.12/1,820,144.93 = 360,511.24/x
  3. Step 3: Cross multiply
    1,213,640.12x = 1,820,144.93 × 360,511.24
  4. Step 4: Simplify right side
    1,213,640.12x = 656,182,704,781.74
  5. Step 5: Solve for x
    x = 656,182,704,781.74/1,213,640.12
  6. Step 6: Final answer
    x = 540,673.22

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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.