Home / 1,313,597.98-1,812,768.31-709,985.98

Finding the Fourth Proportional to 1,313,597.98, 1,812,768.31 and 709,985.98

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Solution

The fourth proportional to 1,313,597.98, 1,812,768.31 and 709,985.98 is: 979,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,597.98 : 1,812,768.31 = 709,985.98 : x
  2. Step 2: Convert to fraction form
    1,313,597.98/1,812,768.31 = 709,985.98/x
  3. Step 3: Cross multiply
    1,313,597.98x = 1,812,768.31 × 709,985.98
  4. Step 4: Simplify right side
    1,313,597.98x = 1,287,040,085,088.29
  5. Step 5: Solve for x
    x = 1,287,040,085,088.29/1,313,597.98
  6. Step 6: Final answer
    x = 979,782.33

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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.