Home / 1,152,345.23-1,590,241.91-636,089.73

Finding the Fourth Proportional to 1,152,345.23, 1,590,241.91 and 636,089.73

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Solution

The fourth proportional to 1,152,345.23, 1,590,241.91 and 636,089.73 is: 877,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,345.23 : 1,590,241.91 = 636,089.73 : x
  2. Step 2: Convert to fraction form
    1,152,345.23/1,590,241.91 = 636,089.73/x
  3. Step 3: Cross multiply
    1,152,345.23x = 1,590,241.91 × 636,089.73
  4. Step 4: Simplify right side
    1,152,345.23x = 1,011,536,543,986.14
  5. Step 5: Solve for x
    x = 1,011,536,543,986.14/1,152,345.23
  6. Step 6: Final answer
    x = 877,806.86

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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.