Home / 1,555,027.80-2,332,541.70-1,289,307.30

Finding the Fourth Proportional to 1,555,027.80, 2,332,541.70 and 1,289,307.30

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Solution

The fourth proportional to 1,555,027.80, 2,332,541.70 and 1,289,307.30 is: 1,933,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,027.80 : 2,332,541.70 = 1,289,307.30 : x
  2. Step 2: Convert to fraction form
    1,555,027.80/2,332,541.70 = 1,289,307.30/x
  3. Step 3: Cross multiply
    1,555,027.80x = 2,332,541.70 × 1,289,307.30
  4. Step 4: Simplify right side
    1,555,027.80x = 3,007,363,041,364.41
  5. Step 5: Solve for x
    x = 3,007,363,041,364.41/1,555,027.80
  6. Step 6: Final answer
    x = 1,933,960.95

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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.