Home / 1,429,053.74-1,972,043.13-808,845.60

Finding the Fourth Proportional to 1,429,053.74, 1,972,043.13 and 808,845.60

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Solution

The fourth proportional to 1,429,053.74, 1,972,043.13 and 808,845.60 is: 1,116,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,053.74 : 1,972,043.13 = 808,845.60 : x
  2. Step 2: Convert to fraction form
    1,429,053.74/1,972,043.13 = 808,845.60/x
  3. Step 3: Cross multiply
    1,429,053.74x = 1,972,043.13 × 808,845.60
  4. Step 4: Simplify right side
    1,429,053.74x = 1,595,078,408,710.73
  5. Step 5: Solve for x
    x = 1,595,078,408,710.73/1,429,053.74
  6. Step 6: Final answer
    x = 1,116,178.04

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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.