Home / 1,179,257.60-1,768,886.40-680,038.40

Finding the Fourth Proportional to 1,179,257.60, 1,768,886.40 and 680,038.40

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Solution

The fourth proportional to 1,179,257.60, 1,768,886.40 and 680,038.40 is: 1,020,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,257.60 : 1,768,886.40 = 680,038.40 : x
  2. Step 2: Convert to fraction form
    1,179,257.60/1,768,886.40 = 680,038.40/x
  3. Step 3: Cross multiply
    1,179,257.60x = 1,768,886.40 × 680,038.40
  4. Step 4: Simplify right side
    1,179,257.60x = 1,202,910,677,237.76
  5. Step 5: Solve for x
    x = 1,202,910,677,237.76/1,179,257.60
  6. Step 6: Final answer
    x = 1,020,057.60

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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.