Home / 1,007,730.10-1,390,639.51-548,834.62

Finding the Fourth Proportional to 1,007,730.10, 1,390,639.51 and 548,834.62

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Solution

The fourth proportional to 1,007,730.10, 1,390,639.51 and 548,834.62 is: 757,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,730.10 : 1,390,639.51 = 548,834.62 : x
  2. Step 2: Convert to fraction form
    1,007,730.10/1,390,639.51 = 548,834.62/x
  3. Step 3: Cross multiply
    1,007,730.10x = 1,390,639.51 × 548,834.62
  4. Step 4: Simplify right side
    1,007,730.10x = 763,231,102,179.15
  5. Step 5: Solve for x
    x = 763,231,102,179.15/1,007,730.10
  6. Step 6: Final answer
    x = 757,376.51

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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.