Home / 1,405,924.16-1,940,177.21-761,345.46

Finding the Fourth Proportional to 1,405,924.16, 1,940,177.21 and 761,345.46

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Solution

The fourth proportional to 1,405,924.16, 1,940,177.21 and 761,345.46 is: 1,050,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,924.16 : 1,940,177.21 = 761,345.46 : x
  2. Step 2: Convert to fraction form
    1,405,924.16/1,940,177.21 = 761,345.46/x
  3. Step 3: Cross multiply
    1,405,924.16x = 1,940,177.21 × 761,345.46
  4. Step 4: Simplify right side
    1,405,924.16x = 1,477,145,106,622.24
  5. Step 5: Solve for x
    x = 1,477,145,106,622.24/1,405,924.16
  6. Step 6: Final answer
    x = 1,050,657.75

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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.