Home / 1,197,210.52-1,652,433.30-688,208.20

Finding the Fourth Proportional to 1,197,210.52, 1,652,433.30 and 688,208.20

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Solution

The fourth proportional to 1,197,210.52, 1,652,433.30 and 688,208.20 is: 949,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,210.52 : 1,652,433.30 = 688,208.20 : x
  2. Step 2: Convert to fraction form
    1,197,210.52/1,652,433.30 = 688,208.20/x
  3. Step 3: Cross multiply
    1,197,210.52x = 1,652,433.30 × 688,208.20
  4. Step 4: Simplify right side
    1,197,210.52x = 1,137,218,147,013.06
  5. Step 5: Solve for x
    x = 1,137,218,147,013.06/1,197,210.52
  6. Step 6: Final answer
    x = 949,889.87

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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.