Home / 1,104,084.51-1,523,411.40-645,110.34

Finding the Fourth Proportional to 1,104,084.51, 1,523,411.40 and 645,110.34

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Solution

The fourth proportional to 1,104,084.51, 1,523,411.40 and 645,110.34 is: 890,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,084.51 : 1,523,411.40 = 645,110.34 : x
  2. Step 2: Convert to fraction form
    1,104,084.51/1,523,411.40 = 645,110.34/x
  3. Step 3: Cross multiply
    1,104,084.51x = 1,523,411.40 × 645,110.34
  4. Step 4: Simplify right side
    1,104,084.51x = 982,768,446,213.88
  5. Step 5: Solve for x
    x = 982,768,446,213.88/1,104,084.51
  6. Step 6: Final answer
    x = 890,120.67

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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.