Home / 1,315,917.49-1,969,385.29-1,102,925.87

Finding the Fourth Proportional to 1,315,917.49, 1,969,385.29 and 1,102,925.87

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Solution

The fourth proportional to 1,315,917.49, 1,969,385.29 and 1,102,925.87 is: 1,650,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,917.49 : 1,969,385.29 = 1,102,925.87 : x
  2. Step 2: Convert to fraction form
    1,315,917.49/1,969,385.29 = 1,102,925.87/x
  3. Step 3: Cross multiply
    1,315,917.49x = 1,969,385.29 × 1,102,925.87
  4. Step 4: Simplify right side
    1,315,917.49x = 2,172,085,974,491.53
  5. Step 5: Solve for x
    x = 2,172,085,974,491.53/1,315,917.49
  6. Step 6: Final answer
    x = 1,650,624.75

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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.