Home / 1,787,948.48-2,467,341.60-972,145.64

Finding the Fourth Proportional to 1,787,948.48, 2,467,341.60 and 972,145.64

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Solution

The fourth proportional to 1,787,948.48, 2,467,341.60 and 972,145.64 is: 1,341,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,948.48 : 2,467,341.60 = 972,145.64 : x
  2. Step 2: Convert to fraction form
    1,787,948.48/2,467,341.60 = 972,145.64/x
  3. Step 3: Cross multiply
    1,787,948.48x = 2,467,341.60 × 972,145.64
  4. Step 4: Simplify right side
    1,787,948.48x = 2,398,615,378,830.62
  5. Step 5: Solve for x
    x = 2,398,615,378,830.62/1,787,948.48
  6. Step 6: Final answer
    x = 1,341,546.14

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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.