Home / 1,476,187.80-2,214,281.70-1,289,563.80

Finding the Fourth Proportional to 1,476,187.80, 2,214,281.70 and 1,289,563.80

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Solution

The fourth proportional to 1,476,187.80, 2,214,281.70 and 1,289,563.80 is: 1,934,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,187.80 : 2,214,281.70 = 1,289,563.80 : x
  2. Step 2: Convert to fraction form
    1,476,187.80/2,214,281.70 = 1,289,563.80/x
  3. Step 3: Cross multiply
    1,476,187.80x = 2,214,281.70 × 1,289,563.80
  4. Step 4: Simplify right side
    1,476,187.80x = 2,855,457,523,322.46
  5. Step 5: Solve for x
    x = 2,855,457,523,322.46/1,476,187.80
  6. Step 6: Final answer
    x = 1,934,345.70

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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.