Home / 1,120,635-1,546,476.30-611,339.40

Finding the Fourth Proportional to 1,120,635, 1,546,476.30 and 611,339.40

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Solution

The fourth proportional to 1,120,635, 1,546,476.30 and 611,339.40 is: 843,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,635 : 1,546,476.30 = 611,339.40 : x
  2. Step 2: Convert to fraction form
    1,120,635/1,546,476.30 = 611,339.40/x
  3. Step 3: Cross multiply
    1,120,635x = 1,546,476.30 × 611,339.40
  4. Step 4: Simplify right side
    1,120,635x = 945,421,893,356.22
  5. Step 5: Solve for x
    x = 945,421,893,356.22/1,120,635
  6. Step 6: Final answer
    x = 843,648.37

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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.