Home / 1,354,412.20-2,031,930.70-455,830.60

Finding the Fourth Proportional to 1,354,412.20, 2,031,930.70 and 455,830.60

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Solution

The fourth proportional to 1,354,412.20, 2,031,930.70 and 455,830.60 is: 683,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,412.20 : 2,031,930.70 = 455,830.60 : x
  2. Step 2: Convert to fraction form
    1,354,412.20/2,031,930.70 = 455,830.60/x
  3. Step 3: Cross multiply
    1,354,412.20x = 2,031,930.70 × 455,830.60
  4. Step 4: Simplify right side
    1,354,412.20x = 926,216,190,139.42
  5. Step 5: Solve for x
    x = 926,216,190,139.42/1,354,412.20
  6. Step 6: Final answer
    x = 683,851.04

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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.