Home / 1,160,421.12-1,740,716-485,824

Finding the Fourth Proportional to 1,160,421.12, 1,740,716 and 485,824

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Solution

The fourth proportional to 1,160,421.12, 1,740,716 and 485,824 is: 728,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,421.12 : 1,740,716 = 485,824 : x
  2. Step 2: Convert to fraction form
    1,160,421.12/1,740,716 = 485,824/x
  3. Step 3: Cross multiply
    1,160,421.12x = 1,740,716 × 485,824
  4. Step 4: Simplify right side
    1,160,421.12x = 845,681,609,984
  5. Step 5: Solve for x
    x = 845,681,609,984/1,160,421.12
  6. Step 6: Final answer
    x = 728,771.30

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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.