Home / 1,315,421.10-1,815,434.28-1,094,267.70

Finding the Fourth Proportional to 1,315,421.10, 1,815,434.28 and 1,094,267.70

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Solution

The fourth proportional to 1,315,421.10, 1,815,434.28 and 1,094,267.70 is: 1,510,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,421.10 : 1,815,434.28 = 1,094,267.70 : x
  2. Step 2: Convert to fraction form
    1,315,421.10/1,815,434.28 = 1,094,267.70/x
  3. Step 3: Cross multiply
    1,315,421.10x = 1,815,434.28 × 1,094,267.70
  4. Step 4: Simplify right side
    1,315,421.10x = 1,986,571,094,076.76
  5. Step 5: Solve for x
    x = 1,986,571,094,076.76/1,315,421.10
  6. Step 6: Final answer
    x = 1,510,216.84

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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.