Home / 1,313,809.37-1,813,059.57-710,197.37

Finding the Fourth Proportional to 1,313,809.37, 1,813,059.57 and 710,197.37

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Solution

The fourth proportional to 1,313,809.37, 1,813,059.57 and 710,197.37 is: 980,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,809.37 : 1,813,059.57 = 710,197.37 : x
  2. Step 2: Convert to fraction form
    1,313,809.37/1,813,059.57 = 710,197.37/x
  3. Step 3: Cross multiply
    1,313,809.37x = 1,813,059.57 × 710,197.37
  4. Step 4: Simplify right side
    1,313,809.37x = 1,287,630,138,267.33
  5. Step 5: Solve for x
    x = 1,287,630,138,267.33/1,313,809.37
  6. Step 6: Final answer
    x = 980,073.80

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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.