Home / 1,409,271.40-2,110,407.90-1,129,335.40

Finding the Fourth Proportional to 1,409,271.40, 2,110,407.90 and 1,129,335.40

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Solution

The fourth proportional to 1,409,271.40, 2,110,407.90 and 1,129,335.40 is: 1,691,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,271.40 : 2,110,407.90 = 1,129,335.40 : x
  2. Step 2: Convert to fraction form
    1,409,271.40/2,110,407.90 = 1,129,335.40/x
  3. Step 3: Cross multiply
    1,409,271.40x = 2,110,407.90 × 1,129,335.40
  4. Step 4: Simplify right side
    1,409,271.40x = 2,383,358,349,909.66
  5. Step 5: Solve for x
    x = 2,383,358,349,909.66/1,409,271.40
  6. Step 6: Final answer
    x = 1,691,198.98

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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.