Home / 1,231,482.58-1,699,474.81-687,599.98

Finding the Fourth Proportional to 1,231,482.58, 1,699,474.81 and 687,599.98

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Solution

The fourth proportional to 1,231,482.58, 1,699,474.81 and 687,599.98 is: 948,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,482.58 : 1,699,474.81 = 687,599.98 : x
  2. Step 2: Convert to fraction form
    1,231,482.58/1,699,474.81 = 687,599.98/x
  3. Step 3: Cross multiply
    1,231,482.58x = 1,699,474.81 × 687,599.98
  4. Step 4: Simplify right side
    1,231,482.58x = 1,168,558,845,366.50
  5. Step 5: Solve for x
    x = 1,168,558,845,366.50/1,231,482.58
  6. Step 6: Final answer
    x = 948,904.08

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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.