Home / 1,429,579.81-2,144,042.88-853,365.25

Finding the Fourth Proportional to 1,429,579.81, 2,144,042.88 and 853,365.25

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Solution

The fourth proportional to 1,429,579.81, 2,144,042.88 and 853,365.25 is: 1,279,852.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,579.81 : 2,144,042.88 = 853,365.25 : x
  2. Step 2: Convert to fraction form
    1,429,579.81/2,144,042.88 = 853,365.25/x
  3. Step 3: Cross multiply
    1,429,579.81x = 2,144,042.88 × 853,365.25
  4. Step 4: Simplify right side
    1,429,579.81x = 1,829,651,688,301.92
  5. Step 5: Solve for x
    x = 1,829,651,688,301.92/1,429,579.81
  6. Step 6: Final answer
    x = 1,279,852.78

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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.