Home / 1,343,145.36-2,014,718.40-444,345.60

Finding the Fourth Proportional to 1,343,145.36, 2,014,718.40 and 444,345.60

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Solution

The fourth proportional to 1,343,145.36, 2,014,718.40 and 444,345.60 is: 666,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,145.36 : 2,014,718.40 = 444,345.60 : x
  2. Step 2: Convert to fraction form
    1,343,145.36/2,014,718.40 = 444,345.60/x
  3. Step 3: Cross multiply
    1,343,145.36x = 2,014,718.40 × 444,345.60
  4. Step 4: Simplify right side
    1,343,145.36x = 895,231,256,279.04
  5. Step 5: Solve for x
    x = 895,231,256,279.04/1,343,145.36
  6. Step 6: Final answer
    x = 666,518.52

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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.