Home / 1,443,046.32-2,162,205.36-768,411.36

Finding the Fourth Proportional to 1,443,046.32, 2,162,205.36 and 768,411.36

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Solution

The fourth proportional to 1,443,046.32, 2,162,205.36 and 768,411.36 is: 1,151,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,046.32 : 2,162,205.36 = 768,411.36 : x
  2. Step 2: Convert to fraction form
    1,443,046.32/2,162,205.36 = 768,411.36/x
  3. Step 3: Cross multiply
    1,443,046.32x = 2,162,205.36 × 768,411.36
  4. Step 4: Simplify right side
    1,443,046.32x = 1,661,463,161,276.89
  5. Step 5: Solve for x
    x = 1,661,463,161,276.89/1,443,046.32
  6. Step 6: Final answer
    x = 1,151,358.16

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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.