Home / 1,007,193.30-1,389,989.70-554,484.30

Finding the Fourth Proportional to 1,007,193.30, 1,389,989.70 and 554,484.30

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Solution

The fourth proportional to 1,007,193.30, 1,389,989.70 and 554,484.30 is: 765,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,193.30 : 1,389,989.70 = 554,484.30 : x
  2. Step 2: Convert to fraction form
    1,007,193.30/1,389,989.70 = 554,484.30/x
  3. Step 3: Cross multiply
    1,007,193.30x = 1,389,989.70 × 554,484.30
  4. Step 4: Simplify right side
    1,007,193.30x = 770,727,465,811.71
  5. Step 5: Solve for x
    x = 770,727,465,811.71/1,007,193.30
  6. Step 6: Final answer
    x = 765,222.99

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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.