Home / 1,152,940.80-1,729,929.60-521,529.60

Finding the Fourth Proportional to 1,152,940.80, 1,729,929.60 and 521,529.60

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Solution

The fourth proportional to 1,152,940.80, 1,729,929.60 and 521,529.60 is: 782,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,940.80 : 1,729,929.60 = 521,529.60 : x
  2. Step 2: Convert to fraction form
    1,152,940.80/1,729,929.60 = 521,529.60/x
  3. Step 3: Cross multiply
    1,152,940.80x = 1,729,929.60 × 521,529.60
  4. Step 4: Simplify right side
    1,152,940.80x = 902,209,492,316.16
  5. Step 5: Solve for x
    x = 902,209,492,316.16/1,152,940.80
  6. Step 6: Final answer
    x = 782,528.90

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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.