Home / 1,249,972.71-1,724,965.11-677,013

Finding the Fourth Proportional to 1,249,972.71, 1,724,965.11 and 677,013

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Solution

The fourth proportional to 1,249,972.71, 1,724,965.11 and 677,013 is: 934,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,972.71 : 1,724,965.11 = 677,013 : x
  2. Step 2: Convert to fraction form
    1,249,972.71/1,724,965.11 = 677,013/x
  3. Step 3: Cross multiply
    1,249,972.71x = 1,724,965.11 × 677,013
  4. Step 4: Simplify right side
    1,249,972.71x = 1,167,823,804,016.43
  5. Step 5: Solve for x
    x = 1,167,823,804,016.43/1,249,972.71
  6. Step 6: Final answer
    x = 934,279.44

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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.