Home / 1,313,820.25-1,813,074.56-710,208.25

Finding the Fourth Proportional to 1,313,820.25, 1,813,074.56 and 710,208.25

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Solution

The fourth proportional to 1,313,820.25, 1,813,074.56 and 710,208.25 is: 980,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,820.25 : 1,813,074.56 = 710,208.25 : x
  2. Step 2: Convert to fraction form
    1,313,820.25/1,813,074.56 = 710,208.25/x
  3. Step 3: Cross multiply
    1,313,820.25x = 1,813,074.56 × 710,208.25
  4. Step 4: Simplify right side
    1,313,820.25x = 1,287,660,510,377.12
  5. Step 5: Solve for x
    x = 1,287,660,510,377.12/1,313,820.25
  6. Step 6: Final answer
    x = 980,088.80

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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.