Home / 1,031,855.40-1,546,470.90-919,006.20

Finding the Fourth Proportional to 1,031,855.40, 1,546,470.90 and 919,006.20

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Solution

The fourth proportional to 1,031,855.40, 1,546,470.90 and 919,006.20 is: 1,377,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,855.40 : 1,546,470.90 = 919,006.20 : x
  2. Step 2: Convert to fraction form
    1,031,855.40/1,546,470.90 = 919,006.20/x
  3. Step 3: Cross multiply
    1,031,855.40x = 1,546,470.90 × 919,006.20
  4. Step 4: Simplify right side
    1,031,855.40x = 1,421,216,345,219.58
  5. Step 5: Solve for x
    x = 1,421,216,345,219.58/1,031,855.40
  6. Step 6: Final answer
    x = 1,377,340.61

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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.