Home / 1,360,515.63-1,877,771.79-900,819.57

Finding the Fourth Proportional to 1,360,515.63, 1,877,771.79 and 900,819.57

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Solution

The fourth proportional to 1,360,515.63, 1,877,771.79 and 900,819.57 is: 1,243,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,515.63 : 1,877,771.79 = 900,819.57 : x
  2. Step 2: Convert to fraction form
    1,360,515.63/1,877,771.79 = 900,819.57/x
  3. Step 3: Cross multiply
    1,360,515.63x = 1,877,771.79 × 900,819.57
  4. Step 4: Simplify right side
    1,360,515.63x = 1,691,533,576,425.93
  5. Step 5: Solve for x
    x = 1,691,533,576,425.93/1,360,515.63
  6. Step 6: Final answer
    x = 1,243,303.30

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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.