Home / 1,016,990.79-1,525,436.88-377,419.21

Finding the Fourth Proportional to 1,016,990.79, 1,525,436.88 and 377,419.21

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Solution

The fourth proportional to 1,016,990.79, 1,525,436.88 and 377,419.21 is: 566,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,990.79 : 1,525,436.88 = 377,419.21 : x
  2. Step 2: Convert to fraction form
    1,016,990.79/1,525,436.88 = 377,419.21/x
  3. Step 3: Cross multiply
    1,016,990.79x = 1,525,436.88 × 377,419.21
  4. Step 4: Simplify right side
    1,016,990.79x = 575,729,182,154.47
  5. Step 5: Solve for x
    x = 575,729,182,154.47/1,016,990.79
  6. Step 6: Final answer
    x = 566,110.52

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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.