Home / 1,232,223.67-1,700,407.94-688,251.16

Finding the Fourth Proportional to 1,232,223.67, 1,700,407.94 and 688,251.16

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Solution

The fourth proportional to 1,232,223.67, 1,700,407.94 and 688,251.16 is: 949,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,223.67 : 1,700,407.94 = 688,251.16 : x
  2. Step 2: Convert to fraction form
    1,232,223.67/1,700,407.94 = 688,251.16/x
  3. Step 3: Cross multiply
    1,232,223.67x = 1,700,407.94 × 688,251.16
  4. Step 4: Simplify right side
    1,232,223.67x = 1,170,307,739,733.88
  5. Step 5: Solve for x
    x = 1,170,307,739,733.88/1,232,223.67
  6. Step 6: Final answer
    x = 949,752.68

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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.