Home / 1,007,764.49-1,390,715.03-555,055.49

Finding the Fourth Proportional to 1,007,764.49, 1,390,715.03 and 555,055.49

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Solution

The fourth proportional to 1,007,764.49, 1,390,715.03 and 555,055.49 is: 765,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,764.49 : 1,390,715.03 = 555,055.49 : x
  2. Step 2: Convert to fraction form
    1,007,764.49/1,390,715.03 = 555,055.49/x
  3. Step 3: Cross multiply
    1,007,764.49x = 1,390,715.03 × 555,055.49
  4. Step 4: Simplify right side
    1,007,764.49x = 771,924,012,427.02
  5. Step 5: Solve for x
    x = 771,924,012,427.02/1,007,764.49
  6. Step 6: Final answer
    x = 765,976.59

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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.