Home / 1,341,375.36-2,012,263.08-442,912

Finding the Fourth Proportional to 1,341,375.36, 2,012,263.08 and 442,912

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Solution

The fourth proportional to 1,341,375.36, 2,012,263.08 and 442,912 is: 664,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,375.36 : 2,012,263.08 = 442,912 : x
  2. Step 2: Convert to fraction form
    1,341,375.36/2,012,263.08 = 442,912/x
  3. Step 3: Cross multiply
    1,341,375.36x = 2,012,263.08 × 442,912
  4. Step 4: Simplify right side
    1,341,375.36x = 891,255,465,288.96
  5. Step 5: Solve for x
    x = 891,255,465,288.96/1,341,375.36
  6. Step 6: Final answer
    x = 664,434.05

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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.