Home / 1,240,844.37-1,860,685.27-521,032.45

Finding the Fourth Proportional to 1,240,844.37, 1,860,685.27 and 521,032.45

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Solution

The fourth proportional to 1,240,844.37, 1,860,685.27 and 521,032.45 is: 781,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,844.37 : 1,860,685.27 = 521,032.45 : x
  2. Step 2: Convert to fraction form
    1,240,844.37/1,860,685.27 = 521,032.45/x
  3. Step 3: Cross multiply
    1,240,844.37x = 1,860,685.27 × 521,032.45
  4. Step 4: Simplify right side
    1,240,844.37x = 969,477,405,372.31
  5. Step 5: Solve for x
    x = 969,477,405,372.31/1,240,844.37
  6. Step 6: Final answer
    x = 781,304.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.