Home / 1,102,637.21-1,521,803.90-673,166.30

Finding the Fourth Proportional to 1,102,637.21, 1,521,803.90 and 673,166.30

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Solution

The fourth proportional to 1,102,637.21, 1,521,803.90 and 673,166.30 is: 929,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,637.21 : 1,521,803.90 = 673,166.30 : x
  2. Step 2: Convert to fraction form
    1,102,637.21/1,521,803.90 = 673,166.30/x
  3. Step 3: Cross multiply
    1,102,637.21x = 1,521,803.90 × 673,166.30
  4. Step 4: Simplify right side
    1,102,637.21x = 1,024,427,094,762.47
  5. Step 5: Solve for x
    x = 1,024,427,094,762.47/1,102,637.21
  6. Step 6: Final answer
    x = 929,069.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.