Home / 1,490,035.86-2,235,387-543,406.62

Finding the Fourth Proportional to 1,490,035.86, 2,235,387 and 543,406.62

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Solution

The fourth proportional to 1,490,035.86, 2,235,387 and 543,406.62 is: 815,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,035.86 : 2,235,387 = 543,406.62 : x
  2. Step 2: Convert to fraction form
    1,490,035.86/2,235,387 = 543,406.62/x
  3. Step 3: Cross multiply
    1,490,035.86x = 2,235,387 × 543,406.62
  4. Step 4: Simplify right side
    1,490,035.86x = 1,214,724,094,061.94
  5. Step 5: Solve for x
    x = 1,214,724,094,061.94/1,490,035.86
  6. Step 6: Final answer
    x = 815,231.45

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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.