Home / 1,374,884.02-1,896,476.90-815,682.50

Finding the Fourth Proportional to 1,374,884.02, 1,896,476.90 and 815,682.50

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Solution

The fourth proportional to 1,374,884.02, 1,896,476.90 and 815,682.50 is: 1,125,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,884.02 : 1,896,476.90 = 815,682.50 : x
  2. Step 2: Convert to fraction form
    1,374,884.02/1,896,476.90 = 815,682.50/x
  3. Step 3: Cross multiply
    1,374,884.02x = 1,896,476.90 × 815,682.50
  4. Step 4: Simplify right side
    1,374,884.02x = 1,546,923,018,984.25
  5. Step 5: Solve for x
    x = 1,546,923,018,984.25/1,374,884.02
  6. Step 6: Final answer
    x = 1,125,129.83

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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.