Home / 1,004,131-1,385,710.50-551,431.72

Finding the Fourth Proportional to 1,004,131, 1,385,710.50 and 551,431.72

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Solution

The fourth proportional to 1,004,131, 1,385,710.50 and 551,431.72 is: 760,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,131 : 1,385,710.50 = 551,431.72 : x
  2. Step 2: Convert to fraction form
    1,004,131/1,385,710.50 = 551,431.72/x
  3. Step 3: Cross multiply
    1,004,131x = 1,385,710.50 × 551,431.72
  4. Step 4: Simplify right side
    1,004,131x = 764,124,724,437.06
  5. Step 5: Solve for x
    x = 764,124,724,437.06/1,004,131
  6. Step 6: Final answer
    x = 760,981.11

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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.