Home / 1,430,894.64-2,144,743.32-620,343.36

Finding the Fourth Proportional to 1,430,894.64, 2,144,743.32 and 620,343.36

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Solution

The fourth proportional to 1,430,894.64, 2,144,743.32 and 620,343.36 is: 929,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,894.64 : 2,144,743.32 = 620,343.36 : x
  2. Step 2: Convert to fraction form
    1,430,894.64/2,144,743.32 = 620,343.36/x
  3. Step 3: Cross multiply
    1,430,894.64x = 2,144,743.32 × 620,343.36
  4. Step 4: Simplify right side
    1,430,894.64x = 1,330,477,277,466.36
  5. Step 5: Solve for x
    x = 1,330,477,277,466.36/1,430,894.64
  6. Step 6: Final answer
    x = 929,821.97

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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.