Home / 1,289,350.14-1,934,089.46-490,693.59

Finding the Fourth Proportional to 1,289,350.14, 1,934,089.46 and 490,693.59

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Solution

The fourth proportional to 1,289,350.14, 1,934,089.46 and 490,693.59 is: 736,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,350.14 : 1,934,089.46 = 490,693.59 : x
  2. Step 2: Convert to fraction form
    1,289,350.14/1,934,089.46 = 490,693.59/x
  3. Step 3: Cross multiply
    1,289,350.14x = 1,934,089.46 × 490,693.59
  4. Step 4: Simplify right side
    1,289,350.14x = 949,045,298,055.09
  5. Step 5: Solve for x
    x = 949,045,298,055.09/1,289,350.14
  6. Step 6: Final answer
    x = 736,064.83

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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.