Home / 1,255,040.12-1,881,811.80-496,990.37

Finding the Fourth Proportional to 1,255,040.12, 1,881,811.80 and 496,990.37

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Solution

The fourth proportional to 1,255,040.12, 1,881,811.80 and 496,990.37 is: 745,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,040.12 : 1,881,811.80 = 496,990.37 : x
  2. Step 2: Convert to fraction form
    1,255,040.12/1,881,811.80 = 496,990.37/x
  3. Step 3: Cross multiply
    1,255,040.12x = 1,881,811.80 × 496,990.37
  4. Step 4: Simplify right side
    1,255,040.12x = 935,242,333,343.31
  5. Step 5: Solve for x
    x = 935,242,333,343.31/1,255,040.12
  6. Step 6: Final answer
    x = 745,189.20

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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.