Home / 1,213,987.70-1,821,710.55-503,941.70

Finding the Fourth Proportional to 1,213,987.70, 1,821,710.55 and 503,941.70

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Solution

The fourth proportional to 1,213,987.70, 1,821,710.55 and 503,941.70 is: 756,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,987.70 : 1,821,710.55 = 503,941.70 : x
  2. Step 2: Convert to fraction form
    1,213,987.70/1,821,710.55 = 503,941.70/x
  3. Step 3: Cross multiply
    1,213,987.70x = 1,821,710.55 × 503,941.70
  4. Step 4: Simplify right side
    1,213,987.70x = 918,035,911,474.94
  5. Step 5: Solve for x
    x = 918,035,911,474.94/1,213,987.70
  6. Step 6: Final answer
    x = 756,215.17

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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.