Home / 1,126,320.04-1,689,479.03-452,401.45

Finding the Fourth Proportional to 1,126,320.04, 1,689,479.03 and 452,401.45

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Solution

The fourth proportional to 1,126,320.04, 1,689,479.03 and 452,401.45 is: 678,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,320.04 : 1,689,479.03 = 452,401.45 : x
  2. Step 2: Convert to fraction form
    1,126,320.04/1,689,479.03 = 452,401.45/x
  3. Step 3: Cross multiply
    1,126,320.04x = 1,689,479.03 × 452,401.45
  4. Step 4: Simplify right side
    1,126,320.04x = 764,322,767,418.67
  5. Step 5: Solve for x
    x = 764,322,767,418.67/1,126,320.04
  6. Step 6: Final answer
    x = 678,601.77

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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.