Home / 1,440,151.54-2,160,200.58-429,958.42

Finding the Fourth Proportional to 1,440,151.54, 2,160,200.58 and 429,958.42

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Solution

The fourth proportional to 1,440,151.54, 2,160,200.58 and 429,958.42 is: 644,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,151.54 : 2,160,200.58 = 429,958.42 : x
  2. Step 2: Convert to fraction form
    1,440,151.54/2,160,200.58 = 429,958.42/x
  3. Step 3: Cross multiply
    1,440,151.54x = 2,160,200.58 × 429,958.42
  4. Step 4: Simplify right side
    1,440,151.54x = 928,796,428,259.88
  5. Step 5: Solve for x
    x = 928,796,428,259.88/1,440,151.54
  6. Step 6: Final answer
    x = 644,929.65

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1.5x scale

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.