Home / 977,425.80-1,466,138.70-890,820.60

Finding the Fourth Proportional to 977,425.80, 1,466,138.70 and 890,820.60

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Solution

The fourth proportional to 977,425.80, 1,466,138.70 and 890,820.60 is: 1,336,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,425.80 : 1,466,138.70 = 890,820.60 : x
  2. Step 2: Convert to fraction form
    977,425.80/1,466,138.70 = 890,820.60/x
  3. Step 3: Cross multiply
    977,425.80x = 1,466,138.70 × 890,820.60
  4. Step 4: Simplify right side
    977,425.80x = 1,306,066,556,417.22
  5. Step 5: Solve for x
    x = 1,306,066,556,417.22/977,425.80
  6. Step 6: Final answer
    x = 1,336,230.90

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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.