Home / 1,421,612.15-2,132,792.24-510,886.62

Finding the Fourth Proportional to 1,421,612.15, 2,132,792.24 and 510,886.62

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Solution

The fourth proportional to 1,421,612.15, 2,132,792.24 and 510,886.62 is: 766,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,612.15 : 2,132,792.24 = 510,886.62 : x
  2. Step 2: Convert to fraction form
    1,421,612.15/2,132,792.24 = 510,886.62/x
  3. Step 3: Cross multiply
    1,421,612.15x = 2,132,792.24 × 510,886.62
  4. Step 4: Simplify right side
    1,421,612.15x = 1,089,615,016,101.40
  5. Step 5: Solve for x
    x = 1,089,615,016,101.40/1,421,612.15
  6. Step 6: Final answer
    x = 766,464.34

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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.