Home / 1,105,599.90-1,659,274.65-432,003.90

Finding the Fourth Proportional to 1,105,599.90, 1,659,274.65 and 432,003.90

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Solution

The fourth proportional to 1,105,599.90, 1,659,274.65 and 432,003.90 is: 648,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,599.90 : 1,659,274.65 = 432,003.90 : x
  2. Step 2: Convert to fraction form
    1,105,599.90/1,659,274.65 = 432,003.90/x
  3. Step 3: Cross multiply
    1,105,599.90x = 1,659,274.65 × 432,003.90
  4. Step 4: Simplify right side
    1,105,599.90x = 716,813,119,971.14
  5. Step 5: Solve for x
    x = 716,813,119,971.14/1,105,599.90
  6. Step 6: Final answer
    x = 648,347.67

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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.