Home / 1,087,242.60-1,500,429.78-603,813.54

Finding the Fourth Proportional to 1,087,242.60, 1,500,429.78 and 603,813.54

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Solution

The fourth proportional to 1,087,242.60, 1,500,429.78 and 603,813.54 is: 833,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,242.60 : 1,500,429.78 = 603,813.54 : x
  2. Step 2: Convert to fraction form
    1,087,242.60/1,500,429.78 = 603,813.54/x
  3. Step 3: Cross multiply
    1,087,242.60x = 1,500,429.78 × 603,813.54
  4. Step 4: Simplify right side
    1,087,242.60x = 905,979,816,983.22
  5. Step 5: Solve for x
    x = 905,979,816,983.22/1,087,242.60
  6. Step 6: Final answer
    x = 833,282.12

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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.