Home / 1,001,065.70-1,501,598.55-812,108.90

Finding the Fourth Proportional to 1,001,065.70, 1,501,598.55 and 812,108.90

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Solution

The fourth proportional to 1,001,065.70, 1,501,598.55 and 812,108.90 is: 1,218,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,065.70 : 1,501,598.55 = 812,108.90 : x
  2. Step 2: Convert to fraction form
    1,001,065.70/1,501,598.55 = 812,108.90/x
  3. Step 3: Cross multiply
    1,001,065.70x = 1,501,598.55 × 812,108.90
  4. Step 4: Simplify right side
    1,001,065.70x = 1,219,461,546,682.10
  5. Step 5: Solve for x
    x = 1,219,461,546,682.10/1,001,065.70
  6. Step 6: Final answer
    x = 1,218,163.35

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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.