Home / 1,007,787.44-1,390,746.61-555,078.44

Finding the Fourth Proportional to 1,007,787.44, 1,390,746.61 and 555,078.44

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Solution

The fourth proportional to 1,007,787.44, 1,390,746.61 and 555,078.44 is: 766,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,787.44 : 1,390,746.61 = 555,078.44 : x
  2. Step 2: Convert to fraction form
    1,007,787.44/1,390,746.61 = 555,078.44/x
  3. Step 3: Cross multiply
    1,007,787.44x = 1,390,746.61 × 555,078.44
  4. Step 4: Simplify right side
    1,007,787.44x = 771,973,458,714.09
  5. Step 5: Solve for x
    x = 771,973,458,714.09/1,007,787.44
  6. Step 6: Final answer
    x = 766,008.22

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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.