Home / 1,009,118.70-1,511,965.14-608,918.58

Finding the Fourth Proportional to 1,009,118.70, 1,511,965.14 and 608,918.58

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Solution

The fourth proportional to 1,009,118.70, 1,511,965.14 and 608,918.58 is: 912,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,118.70 : 1,511,965.14 = 608,918.58 : x
  2. Step 2: Convert to fraction form
    1,009,118.70/1,511,965.14 = 608,918.58/x
  3. Step 3: Cross multiply
    1,009,118.70x = 1,511,965.14 × 608,918.58
  4. Step 4: Simplify right side
    1,009,118.70x = 920,663,666,058.30
  5. Step 5: Solve for x
    x = 920,663,666,058.30/1,009,118.70
  6. Step 6: Final answer
    x = 912,344.27

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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.