Home / 1,557,490.60-2,331,051.90-1,129,810.60

Finding the Fourth Proportional to 1,557,490.60, 2,331,051.90 and 1,129,810.60

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Solution

The fourth proportional to 1,557,490.60, 2,331,051.90 and 1,129,810.60 is: 1,690,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,490.60 : 2,331,051.90 = 1,129,810.60 : x
  2. Step 2: Convert to fraction form
    1,557,490.60/2,331,051.90 = 1,129,810.60/x
  3. Step 3: Cross multiply
    1,557,490.60x = 2,331,051.90 × 1,129,810.60
  4. Step 4: Simplify right side
    1,557,490.60x = 2,633,647,145,770.14
  5. Step 5: Solve for x
    x = 2,633,647,145,770.14/1,557,490.60
  6. Step 6: Final answer
    x = 1,690,955.40

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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.