Home / 1,015,765.32-1,523,969.90-611,400.36

Finding the Fourth Proportional to 1,015,765.32, 1,523,969.90 and 611,400.36

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Solution

The fourth proportional to 1,015,765.32, 1,523,969.90 and 611,400.36 is: 917,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,765.32 : 1,523,969.90 = 611,400.36 : x
  2. Step 2: Convert to fraction form
    1,015,765.32/1,523,969.90 = 611,400.36/x
  3. Step 3: Cross multiply
    1,015,765.32x = 1,523,969.90 × 611,400.36
  4. Step 4: Simplify right side
    1,015,765.32x = 931,755,745,489.16
  5. Step 5: Solve for x
    x = 931,755,745,489.16/1,015,765.32
  6. Step 6: Final answer
    x = 917,294.31

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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.