Home / 1,313,313.13-1,963,966.38-954,688.87

Finding the Fourth Proportional to 1,313,313.13, 1,963,966.38 and 954,688.87

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Solution

The fourth proportional to 1,313,313.13, 1,963,966.38 and 954,688.87 is: 1,427,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,313.13 : 1,963,966.38 = 954,688.87 : x
  2. Step 2: Convert to fraction form
    1,313,313.13/1,963,966.38 = 954,688.87/x
  3. Step 3: Cross multiply
    1,313,313.13x = 1,963,966.38 × 954,688.87
  4. Step 4: Simplify right side
    1,313,313.13x = 1,874,976,844,040.19
  5. Step 5: Solve for x
    x = 1,874,976,844,040.19/1,313,313.13
  6. Step 6: Final answer
    x = 1,427,669.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.