Home / 1,128,740.48-1,693,007.04-380,792.96

Finding the Fourth Proportional to 1,128,740.48, 1,693,007.04 and 380,792.96

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Solution

The fourth proportional to 1,128,740.48, 1,693,007.04 and 380,792.96 is: 571,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,740.48 : 1,693,007.04 = 380,792.96 : x
  2. Step 2: Convert to fraction form
    1,128,740.48/1,693,007.04 = 380,792.96/x
  3. Step 3: Cross multiply
    1,128,740.48x = 1,693,007.04 × 380,792.96
  4. Step 4: Simplify right side
    1,128,740.48x = 644,685,162,062.44
  5. Step 5: Solve for x
    x = 644,685,162,062.44/1,128,740.48
  6. Step 6: Final answer
    x = 571,154.46

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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.