Home / 1,017,471.78-1,404,127.53-558,628.65

Finding the Fourth Proportional to 1,017,471.78, 1,404,127.53 and 558,628.65

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Solution

The fourth proportional to 1,017,471.78, 1,404,127.53 and 558,628.65 is: 770,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,471.78 : 1,404,127.53 = 558,628.65 : x
  2. Step 2: Convert to fraction form
    1,017,471.78/1,404,127.53 = 558,628.65/x
  3. Step 3: Cross multiply
    1,017,471.78x = 1,404,127.53 × 558,628.65
  4. Step 4: Simplify right side
    1,017,471.78x = 784,385,866,511.74
  5. Step 5: Solve for x
    x = 784,385,866,511.74/1,017,471.78
  6. Step 6: Final answer
    x = 770,916.58

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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.