Home / 1,001,062.20-1,501,593.30-812,105.40

Finding the Fourth Proportional to 1,001,062.20, 1,501,593.30 and 812,105.40

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Solution

The fourth proportional to 1,001,062.20, 1,501,593.30 and 812,105.40 is: 1,218,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,062.20 : 1,501,593.30 = 812,105.40 : x
  2. Step 2: Convert to fraction form
    1,001,062.20/1,501,593.30 = 812,105.40/x
  3. Step 3: Cross multiply
    1,001,062.20x = 1,501,593.30 × 812,105.40
  4. Step 4: Simplify right side
    1,001,062.20x = 1,219,452,027,533.82
  5. Step 5: Solve for x
    x = 1,219,452,027,533.82/1,001,062.20
  6. Step 6: Final answer
    x = 1,218,158.10

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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.