Home / 1,447,674.69-2,170,099.73-689,312.46

Finding the Fourth Proportional to 1,447,674.69, 2,170,099.73 and 689,312.46

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Solution

The fourth proportional to 1,447,674.69, 2,170,099.73 and 689,312.46 is: 1,033,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,674.69 : 2,170,099.73 = 689,312.46 : x
  2. Step 2: Convert to fraction form
    1,447,674.69/2,170,099.73 = 689,312.46/x
  3. Step 3: Cross multiply
    1,447,674.69x = 2,170,099.73 × 689,312.46
  4. Step 4: Simplify right side
    1,447,674.69x = 1,495,876,783,331.64
  5. Step 5: Solve for x
    x = 1,495,876,783,331.64/1,447,674.69
  6. Step 6: Final answer
    x = 1,033,296.22

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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.