Home / 1,021,804.40-1,532,706.60-489,051.20

Finding the Fourth Proportional to 1,021,804.40, 1,532,706.60 and 489,051.20

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Solution

The fourth proportional to 1,021,804.40, 1,532,706.60 and 489,051.20 is: 733,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,804.40 : 1,532,706.60 = 489,051.20 : x
  2. Step 2: Convert to fraction form
    1,021,804.40/1,532,706.60 = 489,051.20/x
  3. Step 3: Cross multiply
    1,021,804.40x = 1,532,706.60 × 489,051.20
  4. Step 4: Simplify right side
    1,021,804.40x = 749,572,001,977.92
  5. Step 5: Solve for x
    x = 749,572,001,977.92/1,021,804.40
  6. Step 6: Final answer
    x = 733,576.80

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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.