Home / 1,069,430.60-1,604,145.90-998,571.80

Finding the Fourth Proportional to 1,069,430.60, 1,604,145.90 and 998,571.80

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Solution

The fourth proportional to 1,069,430.60, 1,604,145.90 and 998,571.80 is: 1,497,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,430.60 : 1,604,145.90 = 998,571.80 : x
  2. Step 2: Convert to fraction form
    1,069,430.60/1,604,145.90 = 998,571.80/x
  3. Step 3: Cross multiply
    1,069,430.60x = 1,604,145.90 × 998,571.80
  4. Step 4: Simplify right side
    1,069,430.60x = 1,601,854,858,825.62
  5. Step 5: Solve for x
    x = 1,601,854,858,825.62/1,069,430.60
  6. Step 6: Final answer
    x = 1,497,857.70

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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.