Home / 1,313,656.38-1,812,844.80-710,044.38

Finding the Fourth Proportional to 1,313,656.38, 1,812,844.80 and 710,044.38

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Solution

The fourth proportional to 1,313,656.38, 1,812,844.80 and 710,044.38 is: 979,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,656.38 : 1,812,844.80 = 710,044.38 : x
  2. Step 2: Convert to fraction form
    1,313,656.38/1,812,844.80 = 710,044.38/x
  3. Step 3: Cross multiply
    1,313,656.38x = 1,812,844.80 × 710,044.38
  4. Step 4: Simplify right side
    1,313,656.38x = 1,287,200,262,052.22
  5. Step 5: Solve for x
    x = 1,287,200,262,052.22/1,313,656.38
  6. Step 6: Final answer
    x = 979,860.70

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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.