Home / 1,112,465.70-1,668,614.68-354,276.54

Finding the Fourth Proportional to 1,112,465.70, 1,668,614.68 and 354,276.54

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Solution

The fourth proportional to 1,112,465.70, 1,668,614.68 and 354,276.54 is: 531,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,465.70 : 1,668,614.68 = 354,276.54 : x
  2. Step 2: Convert to fraction form
    1,112,465.70/1,668,614.68 = 354,276.54/x
  3. Step 3: Cross multiply
    1,112,465.70x = 1,668,614.68 × 354,276.54
  4. Step 4: Simplify right side
    1,112,465.70x = 591,151,035,423.61
  5. Step 5: Solve for x
    x = 591,151,035,423.61/1,112,465.70
  6. Step 6: Final answer
    x = 531,388.10

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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.