Home / 918,015.70-1,377,023.55-855,030.10

Finding the Fourth Proportional to 918,015.70, 1,377,023.55 and 855,030.10

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Solution

The fourth proportional to 918,015.70, 1,377,023.55 and 855,030.10 is: 1,282,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,015.70 : 1,377,023.55 = 855,030.10 : x
  2. Step 2: Convert to fraction form
    918,015.70/1,377,023.55 = 855,030.10/x
  3. Step 3: Cross multiply
    918,015.70x = 1,377,023.55 × 855,030.10
  4. Step 4: Simplify right side
    918,015.70x = 1,177,396,583,658.86
  5. Step 5: Solve for x
    x = 1,177,396,583,658.86/918,015.70
  6. Step 6: Final answer
    x = 1,282,545.15

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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.