Home / 1,540,085.40-2,125,209.96-895,459.86

Finding the Fourth Proportional to 1,540,085.40, 2,125,209.96 and 895,459.86

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Solution

The fourth proportional to 1,540,085.40, 2,125,209.96 and 895,459.86 is: 1,235,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,085.40 : 2,125,209.96 = 895,459.86 : x
  2. Step 2: Convert to fraction form
    1,540,085.40/2,125,209.96 = 895,459.86/x
  3. Step 3: Cross multiply
    1,540,085.40x = 2,125,209.96 × 895,459.86
  4. Step 4: Simplify right side
    1,540,085.40x = 1,903,040,213,252.21
  5. Step 5: Solve for x
    x = 1,903,040,213,252.21/1,540,085.40
  6. Step 6: Final answer
    x = 1,235,671.87

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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.