Home / 1,211,371.50-1,671,727.23-674,862.06

Finding the Fourth Proportional to 1,211,371.50, 1,671,727.23 and 674,862.06

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Solution

The fourth proportional to 1,211,371.50, 1,671,727.23 and 674,862.06 is: 931,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,371.50 : 1,671,727.23 = 674,862.06 : x
  2. Step 2: Convert to fraction form
    1,211,371.50/1,671,727.23 = 674,862.06/x
  3. Step 3: Cross multiply
    1,211,371.50x = 1,671,727.23 × 674,862.06
  4. Step 4: Simplify right side
    1,211,371.50x = 1,128,185,282,195.89
  5. Step 5: Solve for x
    x = 1,128,185,282,195.89/1,211,371.50
  6. Step 6: Final answer
    x = 931,328.90

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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.