Home / 1,405,641.48-1,939,782.34-761,062.28

Finding the Fourth Proportional to 1,405,641.48, 1,939,782.34 and 761,062.28

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Solution

The fourth proportional to 1,405,641.48, 1,939,782.34 and 761,062.28 is: 1,050,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,641.48 : 1,939,782.34 = 761,062.28 : x
  2. Step 2: Convert to fraction form
    1,405,641.48/1,939,782.34 = 761,062.28/x
  3. Step 3: Cross multiply
    1,405,641.48x = 1,939,782.34 × 761,062.28
  4. Step 4: Simplify right side
    1,405,641.48x = 1,476,295,170,384.14
  5. Step 5: Solve for x
    x = 1,476,295,170,384.14/1,405,641.48
  6. Step 6: Final answer
    x = 1,050,264.37

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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.