Home / 1,280,366.49-1,766,976.63-707,394.36

Finding the Fourth Proportional to 1,280,366.49, 1,766,976.63 and 707,394.36

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Solution

The fourth proportional to 1,280,366.49, 1,766,976.63 and 707,394.36 is: 976,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,366.49 : 1,766,976.63 = 707,394.36 : x
  2. Step 2: Convert to fraction form
    1,280,366.49/1,766,976.63 = 707,394.36/x
  3. Step 3: Cross multiply
    1,280,366.49x = 1,766,976.63 × 707,394.36
  4. Step 4: Simplify right side
    1,280,366.49x = 1,249,949,302,313.81
  5. Step 5: Solve for x
    x = 1,249,949,302,313.81/1,280,366.49
  6. Step 6: Final answer
    x = 976,243.37

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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.