Home / 1,458,396.72-2,012,582.97-813,810.06

Finding the Fourth Proportional to 1,458,396.72, 2,012,582.97 and 813,810.06

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Solution

The fourth proportional to 1,458,396.72, 2,012,582.97 and 813,810.06 is: 1,123,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,396.72 : 2,012,582.97 = 813,810.06 : x
  2. Step 2: Convert to fraction form
    1,458,396.72/2,012,582.97 = 813,810.06/x
  3. Step 3: Cross multiply
    1,458,396.72x = 2,012,582.97 × 813,810.06
  4. Step 4: Simplify right side
    1,458,396.72x = 1,637,860,267,570.68
  5. Step 5: Solve for x
    x = 1,637,860,267,570.68/1,458,396.72
  6. Step 6: Final answer
    x = 1,123,055.37

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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.