Home / 1,437,809.05-2,157,019.76-426,933.91

Finding the Fourth Proportional to 1,437,809.05, 2,157,019.76 and 426,933.91

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Solution

The fourth proportional to 1,437,809.05, 2,157,019.76 and 426,933.91 is: 640,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,809.05 : 2,157,019.76 = 426,933.91 : x
  2. Step 2: Convert to fraction form
    1,437,809.05/2,157,019.76 = 426,933.91/x
  3. Step 3: Cross multiply
    1,437,809.05x = 2,157,019.76 × 426,933.91
  4. Step 4: Simplify right side
    1,437,809.05x = 920,904,880,084.06
  5. Step 5: Solve for x
    x = 920,904,880,084.06/1,437,809.05
  6. Step 6: Final answer
    x = 640,491.78

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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.