Home / 1,470,938.76-2,030,059.85-890,481.71

Finding the Fourth Proportional to 1,470,938.76, 2,030,059.85 and 890,481.71

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Solution

The fourth proportional to 1,470,938.76, 2,030,059.85 and 890,481.71 is: 1,228,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,938.76 : 2,030,059.85 = 890,481.71 : x
  2. Step 2: Convert to fraction form
    1,470,938.76/2,030,059.85 = 890,481.71/x
  3. Step 3: Cross multiply
    1,470,938.76x = 2,030,059.85 × 890,481.71
  4. Step 4: Simplify right side
    1,470,938.76x = 1,807,731,178,873.49
  5. Step 5: Solve for x
    x = 1,807,731,178,873.49/1,470,938.76
  6. Step 6: Final answer
    x = 1,228,964.27

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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.