Home / 1,178,431.12-1,766,275.35-673,345.90

Finding the Fourth Proportional to 1,178,431.12, 1,766,275.35 and 673,345.90

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Solution

The fourth proportional to 1,178,431.12, 1,766,275.35 and 673,345.90 is: 1,009,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,431.12 : 1,766,275.35 = 673,345.90 : x
  2. Step 2: Convert to fraction form
    1,178,431.12/1,766,275.35 = 673,345.90/x
  3. Step 3: Cross multiply
    1,178,431.12x = 1,766,275.35 × 673,345.90
  4. Step 4: Simplify right side
    1,178,431.12x = 1,189,314,265,193.57
  5. Step 5: Solve for x
    x = 1,189,314,265,193.57/1,178,431.12
  6. Step 6: Final answer
    x = 1,009,235.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.