Home / 1,269,077.63-1,751,322.13-688,298.45

Finding the Fourth Proportional to 1,269,077.63, 1,751,322.13 and 688,298.45

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Solution

The fourth proportional to 1,269,077.63, 1,751,322.13 and 688,298.45 is: 949,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,077.63 : 1,751,322.13 = 688,298.45 : x
  2. Step 2: Convert to fraction form
    1,269,077.63/1,751,322.13 = 688,298.45/x
  3. Step 3: Cross multiply
    1,269,077.63x = 1,751,322.13 × 688,298.45
  4. Step 4: Simplify right side
    1,269,077.63x = 1,205,432,297,052.34
  5. Step 5: Solve for x
    x = 1,205,432,297,052.34/1,269,077.63
  6. Step 6: Final answer
    x = 949,849.15

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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.