Home / 1,007,764.56-1,390,715.10-555,055.56

Finding the Fourth Proportional to 1,007,764.56, 1,390,715.10 and 555,055.56

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Solution

The fourth proportional to 1,007,764.56, 1,390,715.10 and 555,055.56 is: 765,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,764.56 : 1,390,715.10 = 555,055.56 : x
  2. Step 2: Convert to fraction form
    1,007,764.56/1,390,715.10 = 555,055.56/x
  3. Step 3: Cross multiply
    1,007,764.56x = 1,390,715.10 × 555,055.56
  4. Step 4: Simplify right side
    1,007,764.56x = 771,924,148,630.96
  5. Step 5: Solve for x
    x = 771,924,148,630.96/1,007,764.56
  6. Step 6: Final answer
    x = 765,976.68

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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.