Home / 1,182,862.05-1,630,650.06-842,739.81

Finding the Fourth Proportional to 1,182,862.05, 1,630,650.06 and 842,739.81

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Solution

The fourth proportional to 1,182,862.05, 1,630,650.06 and 842,739.81 is: 1,161,770.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,862.05 : 1,630,650.06 = 842,739.81 : x
  2. Step 2: Convert to fraction form
    1,182,862.05/1,630,650.06 = 842,739.81/x
  3. Step 3: Cross multiply
    1,182,862.05x = 1,630,650.06 × 842,739.81
  4. Step 4: Simplify right side
    1,182,862.05x = 1,374,213,721,740.89
  5. Step 5: Solve for x
    x = 1,374,213,721,740.89/1,182,862.05
  6. Step 6: Final answer
    x = 1,161,770.07

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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.