Home / 1,007,698.62-1,390,560.30-554,989.62

Finding the Fourth Proportional to 1,007,698.62, 1,390,560.30 and 554,989.62

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Solution

The fourth proportional to 1,007,698.62, 1,390,560.30 and 554,989.62 is: 765,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,698.62 : 1,390,560.30 = 554,989.62 : x
  2. Step 2: Convert to fraction form
    1,007,698.62/1,390,560.30 = 554,989.62/x
  3. Step 3: Cross multiply
    1,007,698.62x = 1,390,560.30 × 554,989.62
  4. Step 4: Simplify right side
    1,007,698.62x = 771,746,532,484.09
  5. Step 5: Solve for x
    x = 771,746,532,484.09/1,007,698.62
  6. Step 6: Final answer
    x = 765,850.54

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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.