Home / 1,185,698.70-1,778,548.05-760,545.90

Finding the Fourth Proportional to 1,185,698.70, 1,778,548.05 and 760,545.90

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Solution

The fourth proportional to 1,185,698.70, 1,778,548.05 and 760,545.90 is: 1,140,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,698.70 : 1,778,548.05 = 760,545.90 : x
  2. Step 2: Convert to fraction form
    1,185,698.70/1,778,548.05 = 760,545.90/x
  3. Step 3: Cross multiply
    1,185,698.70x = 1,778,548.05 × 760,545.90
  4. Step 4: Simplify right side
    1,185,698.70x = 1,352,667,427,380.50
  5. Step 5: Solve for x
    x = 1,352,667,427,380.50/1,185,698.70
  6. Step 6: Final answer
    x = 1,140,818.85

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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.