Home / 1,688,489.61-2,532,996.83-566,821.05

Finding the Fourth Proportional to 1,688,489.61, 2,532,996.83 and 566,821.05

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Solution

The fourth proportional to 1,688,489.61, 2,532,996.83 and 566,821.05 is: 850,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,489.61 : 2,532,996.83 = 566,821.05 : x
  2. Step 2: Convert to fraction form
    1,688,489.61/2,532,996.83 = 566,821.05/x
  3. Step 3: Cross multiply
    1,688,489.61x = 2,532,996.83 × 566,821.05
  4. Step 4: Simplify right side
    1,688,489.61x = 1,435,755,924,244.32
  5. Step 5: Solve for x
    x = 1,435,755,924,244.32/1,688,489.61
  6. Step 6: Final answer
    x = 850,319.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.