Home / 1,185,962.07-1,636,607.79-642,093.42

Finding the Fourth Proportional to 1,185,962.07, 1,636,607.79 and 642,093.42

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Solution

The fourth proportional to 1,185,962.07, 1,636,607.79 and 642,093.42 is: 886,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,962.07 : 1,636,607.79 = 642,093.42 : x
  2. Step 2: Convert to fraction form
    1,185,962.07/1,636,607.79 = 642,093.42/x
  3. Step 3: Cross multiply
    1,185,962.07x = 1,636,607.79 × 642,093.42
  4. Step 4: Simplify right side
    1,185,962.07x = 1,050,855,093,079.74
  5. Step 5: Solve for x
    x = 1,050,855,093,079.74/1,185,962.07
  6. Step 6: Final answer
    x = 886,078.16

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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.