Home / 1,007,787.64-1,390,746.66-555,078.64

Finding the Fourth Proportional to 1,007,787.64, 1,390,746.66 and 555,078.64

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Solution

The fourth proportional to 1,007,787.64, 1,390,746.66 and 555,078.64 is: 766,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,787.64 : 1,390,746.66 = 555,078.64 : x
  2. Step 2: Convert to fraction form
    1,007,787.64/1,390,746.66 = 555,078.64/x
  3. Step 3: Cross multiply
    1,007,787.64x = 1,390,746.66 × 555,078.64
  4. Step 4: Simplify right side
    1,007,787.64x = 771,973,764,617.34
  5. Step 5: Solve for x
    x = 771,973,764,617.34/1,007,787.64
  6. Step 6: Final answer
    x = 766,008.37

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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.