Home / 1,007,567.71-1,389,993.62-680,775.23

Finding the Fourth Proportional to 1,007,567.71, 1,389,993.62 and 680,775.23

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Solution

The fourth proportional to 1,007,567.71, 1,389,993.62 and 680,775.23 is: 939,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,567.71 : 1,389,993.62 = 680,775.23 : x
  2. Step 2: Convert to fraction form
    1,007,567.71/1,389,993.62 = 680,775.23/x
  3. Step 3: Cross multiply
    1,007,567.71x = 1,389,993.62 × 680,775.23
  4. Step 4: Simplify right side
    1,007,567.71x = 946,273,226,425.14
  5. Step 5: Solve for x
    x = 946,273,226,425.14/1,007,567.71
  6. Step 6: Final answer
    x = 939,165.89

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1.5x scale

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.