Home / 1,313,411.12-1,970,228.44-414,612.40

Finding the Fourth Proportional to 1,313,411.12, 1,970,228.44 and 414,612.40

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Solution

The fourth proportional to 1,313,411.12, 1,970,228.44 and 414,612.40 is: 621,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,411.12 : 1,970,228.44 = 414,612.40 : x
  2. Step 2: Convert to fraction form
    1,313,411.12/1,970,228.44 = 414,612.40/x
  3. Step 3: Cross multiply
    1,313,411.12x = 1,970,228.44 × 414,612.40
  4. Step 4: Simplify right side
    1,313,411.12x = 816,881,142,056.66
  5. Step 5: Solve for x
    x = 816,881,142,056.66/1,313,411.12
  6. Step 6: Final answer
    x = 621,953.88

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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.