Home / 1,699,121.60-2,548,840.80-561,888.32

Finding the Fourth Proportional to 1,699,121.60, 2,548,840.80 and 561,888.32

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Solution

The fourth proportional to 1,699,121.60, 2,548,840.80 and 561,888.32 is: 842,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,121.60 : 2,548,840.80 = 561,888.32 : x
  2. Step 2: Convert to fraction form
    1,699,121.60/2,548,840.80 = 561,888.32/x
  3. Step 3: Cross multiply
    1,699,121.60x = 2,548,840.80 × 561,888.32
  4. Step 4: Simplify right side
    1,699,121.60x = 1,432,163,875,059.46
  5. Step 5: Solve for x
    x = 1,432,163,875,059.46/1,699,121.60
  6. Step 6: Final answer
    x = 842,884.86

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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.