Home / 1,071,228.86-1,606,852.38-272,511.08

Finding the Fourth Proportional to 1,071,228.86, 1,606,852.38 and 272,511.08

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Solution

The fourth proportional to 1,071,228.86, 1,606,852.38 and 272,511.08 is: 408,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,228.86 : 1,606,852.38 = 272,511.08 : x
  2. Step 2: Convert to fraction form
    1,071,228.86/1,606,852.38 = 272,511.08/x
  3. Step 3: Cross multiply
    1,071,228.86x = 1,606,852.38 × 272,511.08
  4. Step 4: Simplify right side
    1,071,228.86x = 437,885,077,474.37
  5. Step 5: Solve for x
    x = 437,885,077,474.37/1,071,228.86
  6. Step 6: Final answer
    x = 408,768.93

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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.