Home / 1,008,763.04-1,513,196.40-260,815.52

Finding the Fourth Proportional to 1,008,763.04, 1,513,196.40 and 260,815.52

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Solution

The fourth proportional to 1,008,763.04, 1,513,196.40 and 260,815.52 is: 391,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,763.04 : 1,513,196.40 = 260,815.52 : x
  2. Step 2: Convert to fraction form
    1,008,763.04/1,513,196.40 = 260,815.52/x
  3. Step 3: Cross multiply
    1,008,763.04x = 1,513,196.40 × 260,815.52
  4. Step 4: Simplify right side
    1,008,763.04x = 394,665,105,928.13
  5. Step 5: Solve for x
    x = 394,665,105,928.13/1,008,763.04
  6. Step 6: Final answer
    x = 391,236.68

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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.