Home / 1,122,828.07-1,681,223.98-855,314.23

Finding the Fourth Proportional to 1,122,828.07, 1,681,223.98 and 855,314.23

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Solution

The fourth proportional to 1,122,828.07, 1,681,223.98 and 855,314.23 is: 1,280,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,828.07 : 1,681,223.98 = 855,314.23 : x
  2. Step 2: Convert to fraction form
    1,122,828.07/1,681,223.98 = 855,314.23/x
  3. Step 3: Cross multiply
    1,122,828.07x = 1,681,223.98 × 855,314.23
  4. Step 4: Simplify right side
    1,122,828.07x = 1,437,974,793,911.24
  5. Step 5: Solve for x
    x = 1,437,974,793,911.24/1,122,828.07
  6. Step 6: Final answer
    x = 1,280,672.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.