Home / 1,521,122.95-2,099,174.43-832,783.20

Finding the Fourth Proportional to 1,521,122.95, 2,099,174.43 and 832,783.20

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Solution

The fourth proportional to 1,521,122.95, 2,099,174.43 and 832,783.20 is: 1,149,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,122.95 : 2,099,174.43 = 832,783.20 : x
  2. Step 2: Convert to fraction form
    1,521,122.95/2,099,174.43 = 832,783.20/x
  3. Step 3: Cross multiply
    1,521,122.95x = 2,099,174.43 × 832,783.20
  4. Step 4: Simplify right side
    1,521,122.95x = 1,748,157,199,173.58
  5. Step 5: Solve for x
    x = 1,748,157,199,173.58/1,521,122.95
  6. Step 6: Final answer
    x = 1,149,254.37

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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.