Home / 1,313,665.38-1,812,857.22-710,053.38

Finding the Fourth Proportional to 1,313,665.38, 1,812,857.22 and 710,053.38

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Solution

The fourth proportional to 1,313,665.38, 1,812,857.22 and 710,053.38 is: 979,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,665.38 : 1,812,857.22 = 710,053.38 : x
  2. Step 2: Convert to fraction form
    1,313,665.38/1,812,857.22 = 710,053.38/x
  3. Step 3: Cross multiply
    1,313,665.38x = 1,812,857.22 × 710,053.38
  4. Step 4: Simplify right side
    1,313,665.38x = 1,287,225,396,518.40
  5. Step 5: Solve for x
    x = 1,287,225,396,518.40/1,313,665.38
  6. Step 6: Final answer
    x = 979,873.12

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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.