Home / 1,510,823.23-2,265,988.79-612,228.67

Finding the Fourth Proportional to 1,510,823.23, 2,265,988.79 and 612,228.67

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Solution

The fourth proportional to 1,510,823.23, 2,265,988.79 and 612,228.67 is: 918,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,823.23 : 2,265,988.79 = 612,228.67 : x
  2. Step 2: Convert to fraction form
    1,510,823.23/2,265,988.79 = 612,228.67/x
  3. Step 3: Cross multiply
    1,510,823.23x = 2,265,988.79 × 612,228.67
  4. Step 4: Simplify right side
    1,510,823.23x = 1,387,303,299,002.21
  5. Step 5: Solve for x
    x = 1,387,303,299,002.21/1,510,823.23
  6. Step 6: Final answer
    x = 918,243.30

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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.