Home / 1,020,346.20-1,530,544.50-487,923.48

Finding the Fourth Proportional to 1,020,346.20, 1,530,544.50 and 487,923.48

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Solution

The fourth proportional to 1,020,346.20, 1,530,544.50 and 487,923.48 is: 731,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,346.20 : 1,530,544.50 = 487,923.48 : x
  2. Step 2: Convert to fraction form
    1,020,346.20/1,530,544.50 = 487,923.48/x
  3. Step 3: Cross multiply
    1,020,346.20x = 1,530,544.50 × 487,923.48
  4. Step 4: Simplify right side
    1,020,346.20x = 746,788,598,734.86
  5. Step 5: Solve for x
    x = 746,788,598,734.86/1,020,346.20
  6. Step 6: Final answer
    x = 731,897.27

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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.