Home / 1,673,255.61-2,309,117.67-909,309.78

Finding the Fourth Proportional to 1,673,255.61, 2,309,117.67 and 909,309.78

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Solution

The fourth proportional to 1,673,255.61, 2,309,117.67 and 909,309.78 is: 1,254,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,255.61 : 2,309,117.67 = 909,309.78 : x
  2. Step 2: Convert to fraction form
    1,673,255.61/2,309,117.67 = 909,309.78/x
  3. Step 3: Cross multiply
    1,673,255.61x = 2,309,117.67 × 909,309.78
  4. Step 4: Simplify right side
    1,673,255.61x = 2,099,703,280,501.81
  5. Step 5: Solve for x
    x = 2,099,703,280,501.81/1,673,255.61
  6. Step 6: Final answer
    x = 1,254,861.04

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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.