Home / 1,289,301.96-1,934,792.16-490,590.12

Finding the Fourth Proportional to 1,289,301.96, 1,934,792.16 and 490,590.12

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Solution

The fourth proportional to 1,289,301.96, 1,934,792.16 and 490,590.12 is: 736,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,301.96 : 1,934,792.16 = 490,590.12 : x
  2. Step 2: Convert to fraction form
    1,289,301.96/1,934,792.16 = 490,590.12/x
  3. Step 3: Cross multiply
    1,289,301.96x = 1,934,792.16 × 490,590.12
  4. Step 4: Simplify right side
    1,289,301.96x = 949,189,917,949.46
  5. Step 5: Solve for x
    x = 949,189,917,949.46/1,289,301.96
  6. Step 6: Final answer
    x = 736,204.51

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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.