Home / 1,007,647.82-1,390,502.67-554,851.34

Finding the Fourth Proportional to 1,007,647.82, 1,390,502.67 and 554,851.34

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Solution

The fourth proportional to 1,007,647.82, 1,390,502.67 and 554,851.34 is: 765,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,647.82 : 1,390,502.67 = 554,851.34 : x
  2. Step 2: Convert to fraction form
    1,007,647.82/1,390,502.67 = 554,851.34/x
  3. Step 3: Cross multiply
    1,007,647.82x = 1,390,502.67 × 554,851.34
  4. Step 4: Simplify right side
    1,007,647.82x = 771,522,269,723.08
  5. Step 5: Solve for x
    x = 771,522,269,723.08/1,007,647.82
  6. Step 6: Final answer
    x = 765,666.59

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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.