Home / 1,152,262.44-1,590,122.30-636,016.50

Finding the Fourth Proportional to 1,152,262.44, 1,590,122.30 and 636,016.50

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Solution

The fourth proportional to 1,152,262.44, 1,590,122.30 and 636,016.50 is: 877,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,262.44 : 1,590,122.30 = 636,016.50 : x
  2. Step 2: Convert to fraction form
    1,152,262.44/1,590,122.30 = 636,016.50/x
  3. Step 3: Cross multiply
    1,152,262.44x = 1,590,122.30 × 636,016.50
  4. Step 4: Simplify right side
    1,152,262.44x = 1,011,344,019,817.95
  5. Step 5: Solve for x
    x = 1,011,344,019,817.95/1,152,262.44
  6. Step 6: Final answer
    x = 877,702.84

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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.