Home / 1,458,007.98-2,012,052.26-813,428.30

Finding the Fourth Proportional to 1,458,007.98, 2,012,052.26 and 813,428.30

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Solution

The fourth proportional to 1,458,007.98, 2,012,052.26 and 813,428.30 is: 1,122,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,007.98 : 2,012,052.26 = 813,428.30 : x
  2. Step 2: Convert to fraction form
    1,458,007.98/2,012,052.26 = 813,428.30/x
  3. Step 3: Cross multiply
    1,458,007.98x = 2,012,052.26 × 813,428.30
  4. Step 4: Simplify right side
    1,458,007.98x = 1,636,660,249,362.96
  5. Step 5: Solve for x
    x = 1,636,660,249,362.96/1,458,007.98
  6. Step 6: Final answer
    x = 1,122,531.75

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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.