Home / 1,525,709.80-2,288,564.70-403,892.20

Finding the Fourth Proportional to 1,525,709.80, 2,288,564.70 and 403,892.20

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Solution

The fourth proportional to 1,525,709.80, 2,288,564.70 and 403,892.20 is: 605,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,709.80 : 2,288,564.70 = 403,892.20 : x
  2. Step 2: Convert to fraction form
    1,525,709.80/2,288,564.70 = 403,892.20/x
  3. Step 3: Cross multiply
    1,525,709.80x = 2,288,564.70 × 403,892.20
  4. Step 4: Simplify right side
    1,525,709.80x = 924,333,431,525.34
  5. Step 5: Solve for x
    x = 924,333,431,525.34/1,525,709.80
  6. Step 6: Final answer
    x = 605,838.30

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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.