Home / 1,870,020.40-2,805,176.40-805,097.20

Finding the Fourth Proportional to 1,870,020.40, 2,805,176.40 and 805,097.20

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Solution

The fourth proportional to 1,870,020.40, 2,805,176.40 and 805,097.20 is: 1,207,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,020.40 : 2,805,176.40 = 805,097.20 : x
  2. Step 2: Convert to fraction form
    1,870,020.40/2,805,176.40 = 805,097.20/x
  3. Step 3: Cross multiply
    1,870,020.40x = 2,805,176.40 × 805,097.20
  4. Step 4: Simplify right side
    1,870,020.40x = 2,258,439,665,146.08
  5. Step 5: Solve for x
    x = 2,258,439,665,146.08/1,870,020.40
  6. Step 6: Final answer
    x = 1,207,708.57

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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.