Home / 1,458,392.05-2,012,581.07-805,018.21

Finding the Fourth Proportional to 1,458,392.05, 2,012,581.07 and 805,018.21

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Solution

The fourth proportional to 1,458,392.05, 2,012,581.07 and 805,018.21 is: 1,110,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,392.05 : 2,012,581.07 = 805,018.21 : x
  2. Step 2: Convert to fraction form
    1,458,392.05/2,012,581.07 = 805,018.21/x
  3. Step 3: Cross multiply
    1,458,392.05x = 2,012,581.07 × 805,018.21
  4. Step 4: Simplify right side
    1,458,392.05x = 1,620,164,396,363.29
  5. Step 5: Solve for x
    x = 1,620,164,396,363.29/1,458,392.05
  6. Step 6: Final answer
    x = 1,110,925.14

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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.