Home / 1,077,820.40-1,615,693.80-837,801.20

Finding the Fourth Proportional to 1,077,820.40, 1,615,693.80 and 837,801.20

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Solution

The fourth proportional to 1,077,820.40, 1,615,693.80 and 837,801.20 is: 1,255,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,820.40 : 1,615,693.80 = 837,801.20 : x
  2. Step 2: Convert to fraction form
    1,077,820.40/1,615,693.80 = 837,801.20/x
  3. Step 3: Cross multiply
    1,077,820.40x = 1,615,693.80 × 837,801.20
  4. Step 4: Simplify right side
    1,077,820.40x = 1,353,630,204,472.56
  5. Step 5: Solve for x
    x = 1,353,630,204,472.56/1,077,820.40
  6. Step 6: Final answer
    x = 1,255,895.88

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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.