Home / 849,838.17-1,172,861.40-634,604.56

Finding the Fourth Proportional to 849,838.17, 1,172,861.40 and 634,604.56

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Solution

The fourth proportional to 849,838.17, 1,172,861.40 and 634,604.56 is: 875,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,838.17 : 1,172,861.40 = 634,604.56 : x
  2. Step 2: Convert to fraction form
    849,838.17/1,172,861.40 = 634,604.56/x
  3. Step 3: Cross multiply
    849,838.17x = 1,172,861.40 × 634,604.56
  4. Step 4: Simplify right side
    849,838.17x = 744,303,192,687.98
  5. Step 5: Solve for x
    x = 744,303,192,687.98/849,838.17
  6. Step 6: Final answer
    x = 875,817.56

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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.