Home / 1,559,415.04-2,151,872.64-880,418.56

Finding the Fourth Proportional to 1,559,415.04, 2,151,872.64 and 880,418.56

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Solution

The fourth proportional to 1,559,415.04, 2,151,872.64 and 880,418.56 is: 1,214,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,415.04 : 2,151,872.64 = 880,418.56 : x
  2. Step 2: Convert to fraction form
    1,559,415.04/2,151,872.64 = 880,418.56/x
  3. Step 3: Cross multiply
    1,559,415.04x = 2,151,872.64 × 880,418.56
  4. Step 4: Simplify right side
    1,559,415.04x = 1,894,548,611,012.20
  5. Step 5: Solve for x
    x = 1,894,548,611,012.20/1,559,415.04
  6. Step 6: Final answer
    x = 1,214,909.80

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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.