Home / 1,353,783.60-1,868,217.48-750,171.60

Finding the Fourth Proportional to 1,353,783.60, 1,868,217.48 and 750,171.60

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Solution

The fourth proportional to 1,353,783.60, 1,868,217.48 and 750,171.60 is: 1,035,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,783.60 : 1,868,217.48 = 750,171.60 : x
  2. Step 2: Convert to fraction form
    1,353,783.60/1,868,217.48 = 750,171.60/x
  3. Step 3: Cross multiply
    1,353,783.60x = 1,868,217.48 × 750,171.60
  4. Step 4: Simplify right side
    1,353,783.60x = 1,401,483,696,119.57
  5. Step 5: Solve for x
    x = 1,401,483,696,119.57/1,353,783.60
  6. Step 6: Final answer
    x = 1,035,234.65

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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.