Home / 1,310,692.12-1,809,312.58-881,221.20

Finding the Fourth Proportional to 1,310,692.12, 1,809,312.58 and 881,221.20

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Solution

The fourth proportional to 1,310,692.12, 1,809,312.58 and 881,221.20 is: 1,216,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,692.12 : 1,809,312.58 = 881,221.20 : x
  2. Step 2: Convert to fraction form
    1,310,692.12/1,809,312.58 = 881,221.20/x
  3. Step 3: Cross multiply
    1,310,692.12x = 1,809,312.58 × 881,221.20
  4. Step 4: Simplify right side
    1,310,692.12x = 1,594,404,602,922.70
  5. Step 5: Solve for x
    x = 1,594,404,602,922.70/1,310,692.12
  6. Step 6: Final answer
    x = 1,216,460.05

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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.