Home / 1,158,846.98-1,599,212.40-642,637.22

Finding the Fourth Proportional to 1,158,846.98, 1,599,212.40 and 642,637.22

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Solution

The fourth proportional to 1,158,846.98, 1,599,212.40 and 642,637.22 is: 886,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,846.98 : 1,599,212.40 = 642,637.22 : x
  2. Step 2: Convert to fraction form
    1,158,846.98/1,599,212.40 = 642,637.22/x
  3. Step 3: Cross multiply
    1,158,846.98x = 1,599,212.40 × 642,637.22
  4. Step 4: Simplify right side
    1,158,846.98x = 1,027,713,410,925.53
  5. Step 5: Solve for x
    x = 1,027,713,410,925.53/1,158,846.98
  6. Step 6: Final answer
    x = 886,841.34

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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.