Home / 1,200,901.20-1,801,196.28-452,850

Finding the Fourth Proportional to 1,200,901.20, 1,801,196.28 and 452,850

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Solution

The fourth proportional to 1,200,901.20, 1,801,196.28 and 452,850 is: 679,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,901.20 : 1,801,196.28 = 452,850 : x
  2. Step 2: Convert to fraction form
    1,200,901.20/1,801,196.28 = 452,850/x
  3. Step 3: Cross multiply
    1,200,901.20x = 1,801,196.28 × 452,850
  4. Step 4: Simplify right side
    1,200,901.20x = 815,671,735,398
  5. Step 5: Solve for x
    x = 815,671,735,398/1,200,901.20
  6. Step 6: Final answer
    x = 679,216.35

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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.