Home / 1,042,674.99-1,563,026.35-786,109.47

Finding the Fourth Proportional to 1,042,674.99, 1,563,026.35 and 786,109.47

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Solution

The fourth proportional to 1,042,674.99, 1,563,026.35 and 786,109.47 is: 1,178,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,674.99 : 1,563,026.35 = 786,109.47 : x
  2. Step 2: Convert to fraction form
    1,042,674.99/1,563,026.35 = 786,109.47/x
  3. Step 3: Cross multiply
    1,042,674.99x = 1,563,026.35 × 786,109.47
  4. Step 4: Simplify right side
    1,042,674.99x = 1,228,709,815,822.96
  5. Step 5: Solve for x
    x = 1,228,709,815,822.96/1,042,674.99
  6. Step 6: Final answer
    x = 1,178,420.72

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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.