Home / 1,386,676.80-2,080,015.26-907,307.36

Finding the Fourth Proportional to 1,386,676.80, 2,080,015.26 and 907,307.36

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Solution

The fourth proportional to 1,386,676.80, 2,080,015.26 and 907,307.36 is: 1,360,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,676.80 : 2,080,015.26 = 907,307.36 : x
  2. Step 2: Convert to fraction form
    1,386,676.80/2,080,015.26 = 907,307.36/x
  3. Step 3: Cross multiply
    1,386,676.80x = 2,080,015.26 × 907,307.36
  4. Step 4: Simplify right side
    1,386,676.80x = 1,887,213,154,310.31
  5. Step 5: Solve for x
    x = 1,887,213,154,310.31/1,386,676.80
  6. Step 6: Final answer
    x = 1,360,961.08

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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.