Home / 1,049,374.40-1,574,061.60-821,051.60

Finding the Fourth Proportional to 1,049,374.40, 1,574,061.60 and 821,051.60

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Solution

The fourth proportional to 1,049,374.40, 1,574,061.60 and 821,051.60 is: 1,231,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,374.40 : 1,574,061.60 = 821,051.60 : x
  2. Step 2: Convert to fraction form
    1,049,374.40/1,574,061.60 = 821,051.60/x
  3. Step 3: Cross multiply
    1,049,374.40x = 1,574,061.60 × 821,051.60
  4. Step 4: Simplify right side
    1,049,374.40x = 1,292,385,795,178.56
  5. Step 5: Solve for x
    x = 1,292,385,795,178.56/1,049,374.40
  6. Step 6: Final answer
    x = 1,231,577.40

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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.