Home / 1,169,765.20-1,754,647.80-715,087.90

Finding the Fourth Proportional to 1,169,765.20, 1,754,647.80 and 715,087.90

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Solution

The fourth proportional to 1,169,765.20, 1,754,647.80 and 715,087.90 is: 1,072,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,765.20 : 1,754,647.80 = 715,087.90 : x
  2. Step 2: Convert to fraction form
    1,169,765.20/1,754,647.80 = 715,087.90/x
  3. Step 3: Cross multiply
    1,169,765.20x = 1,754,647.80 × 715,087.90
  4. Step 4: Simplify right side
    1,169,765.20x = 1,254,727,410,541.62
  5. Step 5: Solve for x
    x = 1,254,727,410,541.62/1,169,765.20
  6. Step 6: Final answer
    x = 1,072,631.85

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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.