Home / 1,001,064.20-1,501,596.30-812,107.40

Finding the Fourth Proportional to 1,001,064.20, 1,501,596.30 and 812,107.40

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Solution

The fourth proportional to 1,001,064.20, 1,501,596.30 and 812,107.40 is: 1,218,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,064.20 : 1,501,596.30 = 812,107.40 : x
  2. Step 2: Convert to fraction form
    1,001,064.20/1,501,596.30 = 812,107.40/x
  3. Step 3: Cross multiply
    1,001,064.20x = 1,501,596.30 × 812,107.40
  4. Step 4: Simplify right side
    1,001,064.20x = 1,219,457,467,042.62
  5. Step 5: Solve for x
    x = 1,219,457,467,042.62/1,001,064.20
  6. Step 6: Final answer
    x = 1,218,161.10

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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.