Home / 1,213,148.10-1,820,099.73-360,224.20

Finding the Fourth Proportional to 1,213,148.10, 1,820,099.73 and 360,224.20

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Solution

The fourth proportional to 1,213,148.10, 1,820,099.73 and 360,224.20 is: 540,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,148.10 : 1,820,099.73 = 360,224.20 : x
  2. Step 2: Convert to fraction form
    1,213,148.10/1,820,099.73 = 360,224.20/x
  3. Step 3: Cross multiply
    1,213,148.10x = 1,820,099.73 × 360,224.20
  4. Step 4: Simplify right side
    1,213,148.10x = 655,643,969,159.47
  5. Step 5: Solve for x
    x = 655,643,969,159.47/1,213,148.10
  6. Step 6: Final answer
    x = 540,448.42

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Double scale
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Similar ratio
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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.