Home / 1,127,298.36-1,554,965.82-740,133.74

Finding the Fourth Proportional to 1,127,298.36, 1,554,965.82 and 740,133.74

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Solution

The fourth proportional to 1,127,298.36, 1,554,965.82 and 740,133.74 is: 1,020,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,298.36 : 1,554,965.82 = 740,133.74 : x
  2. Step 2: Convert to fraction form
    1,127,298.36/1,554,965.82 = 740,133.74/x
  3. Step 3: Cross multiply
    1,127,298.36x = 1,554,965.82 × 740,133.74
  4. Step 4: Simplify right side
    1,127,298.36x = 1,150,882,667,928.77
  5. Step 5: Solve for x
    x = 1,150,882,667,928.77/1,127,298.36
  6. Step 6: Final answer
    x = 1,020,921.09

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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.