Home / 1,120,665.88-1,546,488.28-611,368.12

Finding the Fourth Proportional to 1,120,665.88, 1,546,488.28 and 611,368.12

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Solution

The fourth proportional to 1,120,665.88, 1,546,488.28 and 611,368.12 is: 843,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,665.88 : 1,546,488.28 = 611,368.12 : x
  2. Step 2: Convert to fraction form
    1,120,665.88/1,546,488.28 = 611,368.12/x
  3. Step 3: Cross multiply
    1,120,665.88x = 1,546,488.28 × 611,368.12
  4. Step 4: Simplify right side
    1,120,665.88x = 945,473,632,345.63
  5. Step 5: Solve for x
    x = 945,473,632,345.63/1,120,665.88
  6. Step 6: Final answer
    x = 843,671.29

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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.