Home / 905,972.99-1,356,002.35-666,023.35

Finding the Fourth Proportional to 905,972.99, 1,356,002.35 and 666,023.35

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Solution

The fourth proportional to 905,972.99, 1,356,002.35 and 666,023.35 is: 996,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,972.99 : 1,356,002.35 = 666,023.35 : x
  2. Step 2: Convert to fraction form
    905,972.99/1,356,002.35 = 666,023.35/x
  3. Step 3: Cross multiply
    905,972.99x = 1,356,002.35 × 666,023.35
  4. Step 4: Simplify right side
    905,972.99x = 903,129,226,089.81
  5. Step 5: Solve for x
    x = 903,129,226,089.81/905,972.99
  6. Step 6: Final answer
    x = 996,861.10

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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.