Home / 1,207,861.02-1,666,868.76-664,019.46

Finding the Fourth Proportional to 1,207,861.02, 1,666,868.76 and 664,019.46

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Solution

The fourth proportional to 1,207,861.02, 1,666,868.76 and 664,019.46 is: 916,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,861.02 : 1,666,868.76 = 664,019.46 : x
  2. Step 2: Convert to fraction form
    1,207,861.02/1,666,868.76 = 664,019.46/x
  3. Step 3: Cross multiply
    1,207,861.02x = 1,666,868.76 × 664,019.46
  4. Step 4: Simplify right side
    1,207,861.02x = 1,106,833,293,906.07
  5. Step 5: Solve for x
    x = 1,106,833,293,906.07/1,207,861.02
  6. Step 6: Final answer
    x = 916,358.15

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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.