Home / 1,525,440.60-2,290,420.80-852,865.20

Finding the Fourth Proportional to 1,525,440.60, 2,290,420.80 and 852,865.20

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Solution

The fourth proportional to 1,525,440.60, 2,290,420.80 and 852,865.20 is: 1,280,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,440.60 : 2,290,420.80 = 852,865.20 : x
  2. Step 2: Convert to fraction form
    1,525,440.60/2,290,420.80 = 852,865.20/x
  3. Step 3: Cross multiply
    1,525,440.60x = 2,290,420.80 × 852,865.20
  4. Step 4: Simplify right side
    1,525,440.60x = 1,953,420,193,676.16
  5. Step 5: Solve for x
    x = 1,953,420,193,676.16/1,525,440.60
  6. Step 6: Final answer
    x = 1,280,561.30

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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.