Home / 1,021,705.02-1,409,846.87-629,175.59

Finding the Fourth Proportional to 1,021,705.02, 1,409,846.87 and 629,175.59

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Solution

The fourth proportional to 1,021,705.02, 1,409,846.87 and 629,175.59 is: 868,196.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,705.02 : 1,409,846.87 = 629,175.59 : x
  2. Step 2: Convert to fraction form
    1,021,705.02/1,409,846.87 = 629,175.59/x
  3. Step 3: Cross multiply
    1,021,705.02x = 1,409,846.87 × 629,175.59
  4. Step 4: Simplify right side
    1,021,705.02x = 887,041,226,046.79
  5. Step 5: Solve for x
    x = 887,041,226,046.79/1,021,705.02
  6. Step 6: Final answer
    x = 868,196.99

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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.