Home / 1,405,929.40-1,940,183.60-761,350.30

Finding the Fourth Proportional to 1,405,929.40, 1,940,183.60 and 761,350.30

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Solution

The fourth proportional to 1,405,929.40, 1,940,183.60 and 761,350.30 is: 1,050,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,929.40 : 1,940,183.60 = 761,350.30 : x
  2. Step 2: Convert to fraction form
    1,405,929.40/1,940,183.60 = 761,350.30/x
  3. Step 3: Cross multiply
    1,405,929.40x = 1,940,183.60 × 761,350.30
  4. Step 4: Simplify right side
    1,405,929.40x = 1,477,159,365,915.08
  5. Step 5: Solve for x
    x = 1,477,159,365,915.08/1,405,929.40
  6. Step 6: Final answer
    x = 1,050,663.97

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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.