Home / 1,081,487.04-1,621,226.52-513,135.24

Finding the Fourth Proportional to 1,081,487.04, 1,621,226.52 and 513,135.24

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Solution

The fourth proportional to 1,081,487.04, 1,621,226.52 and 513,135.24 is: 769,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,487.04 : 1,621,226.52 = 513,135.24 : x
  2. Step 2: Convert to fraction form
    1,081,487.04/1,621,226.52 = 513,135.24/x
  3. Step 3: Cross multiply
    1,081,487.04x = 1,621,226.52 × 513,135.24
  4. Step 4: Simplify right side
    1,081,487.04x = 831,908,459,434.57
  5. Step 5: Solve for x
    x = 831,908,459,434.57/1,081,487.04
  6. Step 6: Final answer
    x = 769,226.47

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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.