Home / 1,313,852.32-1,813,115.28-710,240.32

Finding the Fourth Proportional to 1,313,852.32, 1,813,115.28 and 710,240.32

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Solution

The fourth proportional to 1,313,852.32, 1,813,115.28 and 710,240.32 is: 980,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,852.32 : 1,813,115.28 = 710,240.32 : x
  2. Step 2: Convert to fraction form
    1,313,852.32/1,813,115.28 = 710,240.32/x
  3. Step 3: Cross multiply
    1,313,852.32x = 1,813,115.28 × 710,240.32
  4. Step 4: Simplify right side
    1,313,852.32x = 1,287,747,576,664.09
  5. Step 5: Solve for x
    x = 1,287,747,576,664.09/1,313,852.32
  6. Step 6: Final answer
    x = 980,131.14

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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.