Home / 1,224,566.60-1,689,892.50-688,022.60

Finding the Fourth Proportional to 1,224,566.60, 1,689,892.50 and 688,022.60

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Solution

The fourth proportional to 1,224,566.60, 1,689,892.50 and 688,022.60 is: 949,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,566.60 : 1,689,892.50 = 688,022.60 : x
  2. Step 2: Convert to fraction form
    1,224,566.60/1,689,892.50 = 688,022.60/x
  3. Step 3: Cross multiply
    1,224,566.60x = 1,689,892.50 × 688,022.60
  4. Step 4: Simplify right side
    1,224,566.60x = 1,162,684,231,570.50
  5. Step 5: Solve for x
    x = 1,162,684,231,570.50/1,224,566.60
  6. Step 6: Final answer
    x = 949,465.90

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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.