Home / 1,210,367.40-1,817,300.70-912,935.40

Finding the Fourth Proportional to 1,210,367.40, 1,817,300.70 and 912,935.40

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Solution

The fourth proportional to 1,210,367.40, 1,817,300.70 and 912,935.40 is: 1,370,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,367.40 : 1,817,300.70 = 912,935.40 : x
  2. Step 2: Convert to fraction form
    1,210,367.40/1,817,300.70 = 912,935.40/x
  3. Step 3: Cross multiply
    1,210,367.40x = 1,817,300.70 × 912,935.40
  4. Step 4: Simplify right side
    1,210,367.40x = 1,659,078,141,474.78
  5. Step 5: Solve for x
    x = 1,659,078,141,474.78/1,210,367.40
  6. Step 6: Final answer
    x = 1,370,722.76

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