Home / 1,371,729.92-1,892,966.72-759,880.80

Finding the Fourth Proportional to 1,371,729.92, 1,892,966.72 and 759,880.80

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Solution

The fourth proportional to 1,371,729.92, 1,892,966.72 and 759,880.80 is: 1,048,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,729.92 : 1,892,966.72 = 759,880.80 : x
  2. Step 2: Convert to fraction form
    1,371,729.92/1,892,966.72 = 759,880.80/x
  3. Step 3: Cross multiply
    1,371,729.92x = 1,892,966.72 × 759,880.80
  4. Step 4: Simplify right side
    1,371,729.92x = 1,438,429,065,566.98
  5. Step 5: Solve for x
    x = 1,438,429,065,566.98/1,371,729.92
  6. Step 6: Final answer
    x = 1,048,624.11

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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.