Home / 1,145,441.25-1,580,708.93-636,191.01

Finding the Fourth Proportional to 1,145,441.25, 1,580,708.93 and 636,191.01

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Solution

The fourth proportional to 1,145,441.25, 1,580,708.93 and 636,191.01 is: 877,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,441.25 : 1,580,708.93 = 636,191.01 : x
  2. Step 2: Convert to fraction form
    1,145,441.25/1,580,708.93 = 636,191.01/x
  3. Step 3: Cross multiply
    1,145,441.25x = 1,580,708.93 × 636,191.01
  4. Step 4: Simplify right side
    1,145,441.25x = 1,005,632,807,511.76
  5. Step 5: Solve for x
    x = 1,005,632,807,511.76/1,145,441.25
  6. Step 6: Final answer
    x = 877,943.59

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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.