Home / 1,359,313.20-2,041,302.60-729,457.20

Finding the Fourth Proportional to 1,359,313.20, 2,041,302.60 and 729,457.20

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Solution

The fourth proportional to 1,359,313.20, 2,041,302.60 and 729,457.20 is: 1,095,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,313.20 : 2,041,302.60 = 729,457.20 : x
  2. Step 2: Convert to fraction form
    1,359,313.20/2,041,302.60 = 729,457.20/x
  3. Step 3: Cross multiply
    1,359,313.20x = 2,041,302.60 × 729,457.20
  4. Step 4: Simplify right side
    1,359,313.20x = 1,489,042,878,948.72
  5. Step 5: Solve for x
    x = 1,489,042,878,948.72/1,359,313.20
  6. Step 6: Final answer
    x = 1,095,437.67

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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.