Home / 1,003,656.40-1,504,986.18-363,934.60

Finding the Fourth Proportional to 1,003,656.40, 1,504,986.18 and 363,934.60

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Solution

The fourth proportional to 1,003,656.40, 1,504,986.18 and 363,934.60 is: 545,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,656.40 : 1,504,986.18 = 363,934.60 : x
  2. Step 2: Convert to fraction form
    1,003,656.40/1,504,986.18 = 363,934.60/x
  3. Step 3: Cross multiply
    1,003,656.40x = 1,504,986.18 × 363,934.60
  4. Step 4: Simplify right side
    1,003,656.40x = 547,716,543,423.83
  5. Step 5: Solve for x
    x = 547,716,543,423.83/1,003,656.40
  6. Step 6: Final answer
    x = 545,721.17

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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.