Home / 1,000,269.76-1,500,536.40-326,114.32

Finding the Fourth Proportional to 1,000,269.76, 1,500,536.40 and 326,114.32

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Solution

The fourth proportional to 1,000,269.76, 1,500,536.40 and 326,114.32 is: 489,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,269.76 : 1,500,536.40 = 326,114.32 : x
  2. Step 2: Convert to fraction form
    1,000,269.76/1,500,536.40 = 326,114.32/x
  3. Step 3: Cross multiply
    1,000,269.76x = 1,500,536.40 × 326,114.32
  4. Step 4: Simplify right side
    1,000,269.76x = 489,346,407,721.25
  5. Step 5: Solve for x
    x = 489,346,407,721.25/1,000,269.76
  6. Step 6: Final answer
    x = 489,214.44

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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.