Home / 1,405,381.62-1,939,426.23-760,801.34

Finding the Fourth Proportional to 1,405,381.62, 1,939,426.23 and 760,801.34

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Solution

The fourth proportional to 1,405,381.62, 1,939,426.23 and 760,801.34 is: 1,049,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,381.62 : 1,939,426.23 = 760,801.34 : x
  2. Step 2: Convert to fraction form
    1,405,381.62/1,939,426.23 = 760,801.34/x
  3. Step 3: Cross multiply
    1,405,381.62x = 1,939,426.23 × 760,801.34
  4. Step 4: Simplify right side
    1,405,381.62x = 1,475,518,082,316.72
  5. Step 5: Solve for x
    x = 1,475,518,082,316.72/1,405,381.62
  6. Step 6: Final answer
    x = 1,049,905.63

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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.