Home / 1,007,738.16-1,390,678.66-555,029.16

Finding the Fourth Proportional to 1,007,738.16, 1,390,678.66 and 555,029.16

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Solution

The fourth proportional to 1,007,738.16, 1,390,678.66 and 555,029.16 is: 765,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,738.16 : 1,390,678.66 = 555,029.16 : x
  2. Step 2: Convert to fraction form
    1,007,738.16/1,390,678.66 = 555,029.16/x
  3. Step 3: Cross multiply
    1,007,738.16x = 1,390,678.66 × 555,029.16
  4. Step 4: Simplify right side
    1,007,738.16x = 771,867,203,968.47
  5. Step 5: Solve for x
    x = 771,867,203,968.47/1,007,738.16
  6. Step 6: Final answer
    x = 765,940.24

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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.