Home / 1,313,832.40-1,813,091.37-710,220.40

Finding the Fourth Proportional to 1,313,832.40, 1,813,091.37 and 710,220.40

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Solution

The fourth proportional to 1,313,832.40, 1,813,091.37 and 710,220.40 is: 980,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,832.40 : 1,813,091.37 = 710,220.40 : x
  2. Step 2: Convert to fraction form
    1,313,832.40/1,813,091.37 = 710,220.40/x
  3. Step 3: Cross multiply
    1,313,832.40x = 1,813,091.37 × 710,220.40
  4. Step 4: Simplify right side
    1,313,832.40x = 1,287,694,478,037.95
  5. Step 5: Solve for x
    x = 1,287,694,478,037.95/1,313,832.40
  6. Step 6: Final answer
    x = 980,105.59

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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.