Home / 1,531,601.58-2,113,808.32-878,482.38

Finding the Fourth Proportional to 1,531,601.58, 2,113,808.32 and 878,482.38

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Solution

The fourth proportional to 1,531,601.58, 2,113,808.32 and 878,482.38 is: 1,212,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,601.58 : 2,113,808.32 = 878,482.38 : x
  2. Step 2: Convert to fraction form
    1,531,601.58/2,113,808.32 = 878,482.38/x
  3. Step 3: Cross multiply
    1,531,601.58x = 2,113,808.32 × 878,482.38
  4. Step 4: Simplify right side
    1,531,601.58x = 1,856,943,363,817.40
  5. Step 5: Solve for x
    x = 1,856,943,363,817.40/1,531,601.58
  6. Step 6: Final answer
    x = 1,212,419.33

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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.