Home / 1,526,682.72-2,290,024.56-515,807.76

Finding the Fourth Proportional to 1,526,682.72, 2,290,024.56 and 515,807.76

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Solution

The fourth proportional to 1,526,682.72, 2,290,024.56 and 515,807.76 is: 773,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,682.72 : 2,290,024.56 = 515,807.76 : x
  2. Step 2: Convert to fraction form
    1,526,682.72/2,290,024.56 = 515,807.76/x
  3. Step 3: Cross multiply
    1,526,682.72x = 2,290,024.56 × 515,807.76
  4. Step 4: Simplify right side
    1,526,682.72x = 1,181,212,438,638.59
  5. Step 5: Solve for x
    x = 1,181,212,438,638.59/1,526,682.72
  6. Step 6: Final answer
    x = 773,711.80

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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.