Home / 1,038,131.20-1,432,349.94-608,180.14

Finding the Fourth Proportional to 1,038,131.20, 1,432,349.94 and 608,180.14

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Solution

The fourth proportional to 1,038,131.20, 1,432,349.94 and 608,180.14 is: 839,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,131.20 : 1,432,349.94 = 608,180.14 : x
  2. Step 2: Convert to fraction form
    1,038,131.20/1,432,349.94 = 608,180.14/x
  3. Step 3: Cross multiply
    1,038,131.20x = 1,432,349.94 × 608,180.14
  4. Step 4: Simplify right side
    1,038,131.20x = 871,126,787,038.19
  5. Step 5: Solve for x
    x = 871,126,787,038.19/1,038,131.20
  6. Step 6: Final answer
    x = 839,129.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.