Home / 1,313,621.58-1,812,796.86-710,009.58

Finding the Fourth Proportional to 1,313,621.58, 1,812,796.86 and 710,009.58

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Solution

The fourth proportional to 1,313,621.58, 1,812,796.86 and 710,009.58 is: 979,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,621.58 : 1,812,796.86 = 710,009.58 : x
  2. Step 2: Convert to fraction form
    1,313,621.58/1,812,796.86 = 710,009.58/x
  3. Step 3: Cross multiply
    1,313,621.58x = 1,812,796.86 × 710,009.58
  4. Step 4: Simplify right side
    1,313,621.58x = 1,287,103,137,193.92
  5. Step 5: Solve for x
    x = 1,287,103,137,193.92/1,313,621.58
  6. Step 6: Final answer
    x = 979,812.72

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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.