Home / 1,299,290.40-1,948,934.64-352,800

Finding the Fourth Proportional to 1,299,290.40, 1,948,934.64 and 352,800

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Solution

The fourth proportional to 1,299,290.40, 1,948,934.64 and 352,800 is: 529,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,290.40 : 1,948,934.64 = 352,800 : x
  2. Step 2: Convert to fraction form
    1,299,290.40/1,948,934.64 = 352,800/x
  3. Step 3: Cross multiply
    1,299,290.40x = 1,948,934.64 × 352,800
  4. Step 4: Simplify right side
    1,299,290.40x = 687,584,140,992
  5. Step 5: Solve for x
    x = 687,584,140,992/1,299,290.40
  6. Step 6: Final answer
    x = 529,199.74

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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.