Home / 1,208,673.80-1,811,042.40-889,809.20

Finding the Fourth Proportional to 1,208,673.80, 1,811,042.40 and 889,809.20

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Solution

The fourth proportional to 1,208,673.80, 1,811,042.40 and 889,809.20 is: 1,333,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,673.80 : 1,811,042.40 = 889,809.20 : x
  2. Step 2: Convert to fraction form
    1,208,673.80/1,811,042.40 = 889,809.20/x
  3. Step 3: Cross multiply
    1,208,673.80x = 1,811,042.40 × 889,809.20
  4. Step 4: Simplify right side
    1,208,673.80x = 1,611,482,189,110.08
  5. Step 5: Solve for x
    x = 1,611,482,189,110.08/1,208,673.80
  6. Step 6: Final answer
    x = 1,333,264.76

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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.