Home / 1,316,977.92-1,817,427.84-713,368.32

Finding the Fourth Proportional to 1,316,977.92, 1,817,427.84 and 713,368.32

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Solution

The fourth proportional to 1,316,977.92, 1,817,427.84 and 713,368.32 is: 984,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,977.92 : 1,817,427.84 = 713,368.32 : x
  2. Step 2: Convert to fraction form
    1,316,977.92/1,817,427.84 = 713,368.32/x
  3. Step 3: Cross multiply
    1,316,977.92x = 1,817,427.84 × 713,368.32
  4. Step 4: Simplify right side
    1,316,977.92x = 1,296,495,444,942.03
  5. Step 5: Solve for x
    x = 1,296,495,444,942.03/1,316,977.92
  6. Step 6: Final answer
    x = 984,447.37

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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.