Home / 1,201,401.96-1,801,438.65-913,316.67

Finding the Fourth Proportional to 1,201,401.96, 1,801,438.65 and 913,316.67

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Solution

The fourth proportional to 1,201,401.96, 1,801,438.65 and 913,316.67 is: 1,369,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,401.96 : 1,801,438.65 = 913,316.67 : x
  2. Step 2: Convert to fraction form
    1,201,401.96/1,801,438.65 = 913,316.67/x
  3. Step 3: Cross multiply
    1,201,401.96x = 1,801,438.65 × 913,316.67
  4. Step 4: Simplify right side
    1,201,401.96x = 1,645,283,949,027.30
  5. Step 5: Solve for x
    x = 1,645,283,949,027.30/1,201,401.96
  6. Step 6: Final answer
    x = 1,369,470.01

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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.