Home / 1,510,315.45-2,265,225.37-415,844.96

Finding the Fourth Proportional to 1,510,315.45, 2,265,225.37 and 415,844.96

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Solution

The fourth proportional to 1,510,315.45, 2,265,225.37 and 415,844.96 is: 623,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,315.45 : 2,265,225.37 = 415,844.96 : x
  2. Step 2: Convert to fraction form
    1,510,315.45/2,265,225.37 = 415,844.96/x
  3. Step 3: Cross multiply
    1,510,315.45x = 2,265,225.37 × 415,844.96
  4. Step 4: Simplify right side
    1,510,315.45x = 941,982,541,012.90
  5. Step 5: Solve for x
    x = 941,982,541,012.90/1,510,315.45
  6. Step 6: Final answer
    x = 623,699.20

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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.