Home / 1,313,754.39-1,812,980.07-710,142.39

Finding the Fourth Proportional to 1,313,754.39, 1,812,980.07 and 710,142.39

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Solution

The fourth proportional to 1,313,754.39, 1,812,980.07 and 710,142.39 is: 979,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,754.39 : 1,812,980.07 = 710,142.39 : x
  2. Step 2: Convert to fraction form
    1,313,754.39/1,812,980.07 = 710,142.39/x
  3. Step 3: Cross multiply
    1,313,754.39x = 1,812,980.07 × 710,142.39
  4. Step 4: Simplify right side
    1,313,754.39x = 1,287,473,999,932.17
  5. Step 5: Solve for x
    x = 1,287,473,999,932.17/1,313,754.39
  6. Step 6: Final answer
    x = 979,995.96

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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.