Home / 1,618,898.60-2,429,028.30-870,069.80

Finding the Fourth Proportional to 1,618,898.60, 2,429,028.30 and 870,069.80

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Solution

The fourth proportional to 1,618,898.60, 2,429,028.30 and 870,069.80 is: 1,305,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,898.60 : 2,429,028.30 = 870,069.80 : x
  2. Step 2: Convert to fraction form
    1,618,898.60/2,429,028.30 = 870,069.80/x
  3. Step 3: Cross multiply
    1,618,898.60x = 2,429,028.30 × 870,069.80
  4. Step 4: Simplify right side
    1,618,898.60x = 2,113,424,167,175.34
  5. Step 5: Solve for x
    x = 2,113,424,167,175.34/1,618,898.60
  6. Step 6: Final answer
    x = 1,305,470.38

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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.