Home / 1,379,424.16-1,903,586.64-775,812.16

Finding the Fourth Proportional to 1,379,424.16, 1,903,586.64 and 775,812.16

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Solution

The fourth proportional to 1,379,424.16, 1,903,586.64 and 775,812.16 is: 1,070,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,424.16 : 1,903,586.64 = 775,812.16 : x
  2. Step 2: Convert to fraction form
    1,379,424.16/1,903,586.64 = 775,812.16/x
  3. Step 3: Cross multiply
    1,379,424.16x = 1,903,586.64 × 775,812.16
  4. Step 4: Simplify right side
    1,379,424.16x = 1,476,825,662,925.54
  5. Step 5: Solve for x
    x = 1,476,825,662,925.54/1,379,424.16
  6. Step 6: Final answer
    x = 1,070,610.26

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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.