Home / 1,121,320.64-1,548,223.44-692,183.36

Finding the Fourth Proportional to 1,121,320.64, 1,548,223.44 and 692,183.36

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Solution

The fourth proportional to 1,121,320.64, 1,548,223.44 and 692,183.36 is: 955,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,320.64 : 1,548,223.44 = 692,183.36 : x
  2. Step 2: Convert to fraction form
    1,121,320.64/1,548,223.44 = 692,183.36/x
  3. Step 3: Cross multiply
    1,121,320.64x = 1,548,223.44 × 692,183.36
  4. Step 4: Simplify right side
    1,121,320.64x = 1,071,654,502,729.96
  5. Step 5: Solve for x
    x = 1,071,654,502,729.96/1,121,320.64
  6. Step 6: Final answer
    x = 955,707.46

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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.