Home / 1,500,440.34-2,070,607.52-812,112.09

Finding the Fourth Proportional to 1,500,440.34, 2,070,607.52 and 812,112.09

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Solution

The fourth proportional to 1,500,440.34, 2,070,607.52 and 812,112.09 is: 1,120,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,440.34 : 2,070,607.52 = 812,112.09 : x
  2. Step 2: Convert to fraction form
    1,500,440.34/2,070,607.52 = 812,112.09/x
  3. Step 3: Cross multiply
    1,500,440.34x = 2,070,607.52 × 812,112.09
  4. Step 4: Simplify right side
    1,500,440.34x = 1,681,565,394,388.05
  5. Step 5: Solve for x
    x = 1,681,565,394,388.05/1,500,440.34
  6. Step 6: Final answer
    x = 1,120,714.60

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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.