Home / 1,007,740.62-1,390,682.06-555,031.62

Finding the Fourth Proportional to 1,007,740.62, 1,390,682.06 and 555,031.62

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Solution

The fourth proportional to 1,007,740.62, 1,390,682.06 and 555,031.62 is: 765,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,740.62 : 1,390,682.06 = 555,031.62 : x
  2. Step 2: Convert to fraction form
    1,007,740.62/1,390,682.06 = 555,031.62/x
  3. Step 3: Cross multiply
    1,007,740.62x = 1,390,682.06 × 555,031.62
  4. Step 4: Simplify right side
    1,007,740.62x = 771,872,515,183.71
  5. Step 5: Solve for x
    x = 771,872,515,183.71/1,007,740.62
  6. Step 6: Final answer
    x = 765,943.64

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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.