Home / 985,663.20-1,476,421.20-819,775.20

Finding the Fourth Proportional to 985,663.20, 1,476,421.20 and 819,775.20

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Solution

The fourth proportional to 985,663.20, 1,476,421.20 and 819,775.20 is: 1,227,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,663.20 : 1,476,421.20 = 819,775.20 : x
  2. Step 2: Convert to fraction form
    985,663.20/1,476,421.20 = 819,775.20/x
  3. Step 3: Cross multiply
    985,663.20x = 1,476,421.20 × 819,775.20
  4. Step 4: Simplify right side
    985,663.20x = 1,210,333,484,514.24
  5. Step 5: Solve for x
    x = 1,210,333,484,514.24/985,663.20
  6. Step 6: Final answer
    x = 1,227,938.19

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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.