Home / 1,190,764.80-1,643,224.32-707,330.88

Finding the Fourth Proportional to 1,190,764.80, 1,643,224.32 and 707,330.88

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Solution

The fourth proportional to 1,190,764.80, 1,643,224.32 and 707,330.88 is: 976,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,764.80 : 1,643,224.32 = 707,330.88 : x
  2. Step 2: Convert to fraction form
    1,190,764.80/1,643,224.32 = 707,330.88/x
  3. Step 3: Cross multiply
    1,190,764.80x = 1,643,224.32 × 707,330.88
  4. Step 4: Simplify right side
    1,190,764.80x = 1,162,303,304,303.00
  5. Step 5: Solve for x
    x = 1,162,303,304,303.00/1,190,764.80
  6. Step 6: Final answer
    x = 976,098.14

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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.