Home / 1,281,228.73-1,922,242.91-382,705.93

Finding the Fourth Proportional to 1,281,228.73, 1,922,242.91 and 382,705.93

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Solution

The fourth proportional to 1,281,228.73, 1,922,242.91 and 382,705.93 is: 574,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,228.73 : 1,922,242.91 = 382,705.93 : x
  2. Step 2: Convert to fraction form
    1,281,228.73/1,922,242.91 = 382,705.93/x
  3. Step 3: Cross multiply
    1,281,228.73x = 1,922,242.91 × 382,705.93
  4. Step 4: Simplify right side
    1,281,228.73x = 735,653,753,838.32
  5. Step 5: Solve for x
    x = 735,653,753,838.32/1,281,228.73
  6. Step 6: Final answer
    x = 574,178.32

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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.