Home / 1,413,032.16-1,949,966.04-768,438.63

Finding the Fourth Proportional to 1,413,032.16, 1,949,966.04 and 768,438.63

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Solution

The fourth proportional to 1,413,032.16, 1,949,966.04 and 768,438.63 is: 1,060,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,032.16 : 1,949,966.04 = 768,438.63 : x
  2. Step 2: Convert to fraction form
    1,413,032.16/1,949,966.04 = 768,438.63/x
  3. Step 3: Cross multiply
    1,413,032.16x = 1,949,966.04 × 768,438.63
  4. Step 4: Simplify right side
    1,413,032.16x = 1,498,429,232,324.13
  5. Step 5: Solve for x
    x = 1,498,429,232,324.13/1,413,032.16
  6. Step 6: Final answer
    x = 1,060,435.34

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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.