Home / 1,450,891.40-2,178,410.70-821,035.40

Finding the Fourth Proportional to 1,450,891.40, 2,178,410.70 and 821,035.40

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Solution

The fourth proportional to 1,450,891.40, 2,178,410.70 and 821,035.40 is: 1,232,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,891.40 : 2,178,410.70 = 821,035.40 : x
  2. Step 2: Convert to fraction form
    1,450,891.40/2,178,410.70 = 821,035.40/x
  3. Step 3: Cross multiply
    1,450,891.40x = 2,178,410.70 × 821,035.40
  4. Step 4: Simplify right side
    1,450,891.40x = 1,788,552,300,438.78
  5. Step 5: Solve for x
    x = 1,788,552,300,438.78/1,450,891.40
  6. Step 6: Final answer
    x = 1,232,726.52

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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.