Home / 1,458,432.39-2,012,396.07-813,851.04

Finding the Fourth Proportional to 1,458,432.39, 2,012,396.07 and 813,851.04

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Solution

The fourth proportional to 1,458,432.39, 2,012,396.07 and 813,851.04 is: 1,122,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,432.39 : 2,012,396.07 = 813,851.04 : x
  2. Step 2: Convert to fraction form
    1,458,432.39/2,012,396.07 = 813,851.04/x
  3. Step 3: Cross multiply
    1,458,432.39x = 2,012,396.07 × 813,851.04
  4. Step 4: Simplify right side
    1,458,432.39x = 1,637,790,642,770.88
  5. Step 5: Solve for x
    x = 1,637,790,642,770.88/1,458,432.39
  6. Step 6: Final answer
    x = 1,122,980.16

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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.