Home / 1,087,203.05-1,500,360.53-603,813.48

Finding the Fourth Proportional to 1,087,203.05, 1,500,360.53 and 603,813.48

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Solution

The fourth proportional to 1,087,203.05, 1,500,360.53 and 603,813.48 is: 833,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,203.05 : 1,500,360.53 = 603,813.48 : x
  2. Step 2: Convert to fraction form
    1,087,203.05/1,500,360.53 = 603,813.48/x
  3. Step 3: Cross multiply
    1,087,203.05x = 1,500,360.53 × 603,813.48
  4. Step 4: Simplify right side
    1,087,203.05x = 905,937,912,873.94
  5. Step 5: Solve for x
    x = 905,937,912,873.94/1,087,203.05
  6. Step 6: Final answer
    x = 833,273.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.