Home / 1,004,343.36-1,386,214.54-660,211.09

Finding the Fourth Proportional to 1,004,343.36, 1,386,214.54 and 660,211.09

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Solution

The fourth proportional to 1,004,343.36, 1,386,214.54 and 660,211.09 is: 911,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,343.36 : 1,386,214.54 = 660,211.09 : x
  2. Step 2: Convert to fraction form
    1,004,343.36/1,386,214.54 = 660,211.09/x
  3. Step 3: Cross multiply
    1,004,343.36x = 1,386,214.54 × 660,211.09
  4. Step 4: Simplify right side
    1,004,343.36x = 915,194,212,427.25
  5. Step 5: Solve for x
    x = 915,194,212,427.25/1,004,343.36
  6. Step 6: Final answer
    x = 911,236.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.