Home / 1,460,219.74-2,185,000.89-861,467.74

Finding the Fourth Proportional to 1,460,219.74, 2,185,000.89 and 861,467.74

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Solution

The fourth proportional to 1,460,219.74, 2,185,000.89 and 861,467.74 is: 1,289,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,219.74 : 2,185,000.89 = 861,467.74 : x
  2. Step 2: Convert to fraction form
    1,460,219.74/2,185,000.89 = 861,467.74/x
  3. Step 3: Cross multiply
    1,460,219.74x = 2,185,000.89 × 861,467.74
  4. Step 4: Simplify right side
    1,460,219.74x = 1,882,307,778,606.29
  5. Step 5: Solve for x
    x = 1,882,307,778,606.29/1,460,219.74
  6. Step 6: Final answer
    x = 1,289,057.89

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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.