Home / 1,459,315.80-2,188,981.04-659,661.12

Finding the Fourth Proportional to 1,459,315.80, 2,188,981.04 and 659,661.12

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Solution

The fourth proportional to 1,459,315.80, 2,188,981.04 and 659,661.12 is: 989,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,315.80 : 2,188,981.04 = 659,661.12 : x
  2. Step 2: Convert to fraction form
    1,459,315.80/2,188,981.04 = 659,661.12/x
  3. Step 3: Cross multiply
    1,459,315.80x = 2,188,981.04 × 659,661.12
  4. Step 4: Simplify right side
    1,459,315.80x = 1,443,985,684,505.16
  5. Step 5: Solve for x
    x = 1,443,985,684,505.16/1,459,315.80
  6. Step 6: Final answer
    x = 989,495.00

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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.