Home / 1,455,959.20-2,183,420.40-657,623.20

Finding the Fourth Proportional to 1,455,959.20, 2,183,420.40 and 657,623.20

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Solution

The fourth proportional to 1,455,959.20, 2,183,420.40 and 657,623.20 is: 986,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,959.20 : 2,183,420.40 = 657,623.20 : x
  2. Step 2: Convert to fraction form
    1,455,959.20/2,183,420.40 = 657,623.20/x
  3. Step 3: Cross multiply
    1,455,959.20x = 2,183,420.40 × 657,623.20
  4. Step 4: Simplify right side
    1,455,959.20x = 1,435,867,910,393.28
  5. Step 5: Solve for x
    x = 1,435,867,910,393.28/1,455,959.20
  6. Step 6: Final answer
    x = 986,200.65

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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.