Home / 1,668,155.45-2,302,052.32-904,208.81

Finding the Fourth Proportional to 1,668,155.45, 2,302,052.32 and 904,208.81

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Solution

The fourth proportional to 1,668,155.45, 2,302,052.32 and 904,208.81 is: 1,247,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,155.45 : 2,302,052.32 = 904,208.81 : x
  2. Step 2: Convert to fraction form
    1,668,155.45/2,302,052.32 = 904,208.81/x
  3. Step 3: Cross multiply
    1,668,155.45x = 2,302,052.32 × 904,208.81
  4. Step 4: Simplify right side
    1,668,155.45x = 2,081,535,992,319.55
  5. Step 5: Solve for x
    x = 2,081,535,992,319.55/1,668,155.45
  6. Step 6: Final answer
    x = 1,247,806.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.