Home / 1,240,219.80-1,860,329.70-610,363.80

Finding the Fourth Proportional to 1,240,219.80, 1,860,329.70 and 610,363.80

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Solution

The fourth proportional to 1,240,219.80, 1,860,329.70 and 610,363.80 is: 915,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,219.80 : 1,860,329.70 = 610,363.80 : x
  2. Step 2: Convert to fraction form
    1,240,219.80/1,860,329.70 = 610,363.80/x
  3. Step 3: Cross multiply
    1,240,219.80x = 1,860,329.70 × 610,363.80
  4. Step 4: Simplify right side
    1,240,219.80x = 1,135,477,904,944.86
  5. Step 5: Solve for x
    x = 1,135,477,904,944.86/1,240,219.80
  6. Step 6: Final answer
    x = 915,545.70

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Double scale
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Similar ratio
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1.5x scale

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.