Home / 1,000,190.38-1,500,417.39-326,035.48

Finding the Fourth Proportional to 1,000,190.38, 1,500,417.39 and 326,035.48

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Solution

The fourth proportional to 1,000,190.38, 1,500,417.39 and 326,035.48 is: 489,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,190.38 : 1,500,417.39 = 326,035.48 : x
  2. Step 2: Convert to fraction form
    1,000,190.38/1,500,417.39 = 326,035.48/x
  3. Step 3: Cross multiply
    1,000,190.38x = 1,500,417.39 × 326,035.48
  4. Step 4: Simplify right side
    1,000,190.38x = 489,189,296,446.91
  5. Step 5: Solve for x
    x = 489,189,296,446.91/1,000,190.38
  6. Step 6: Final answer
    x = 489,096.18

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1.5x scale

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.