Home / 1,070,589.66-1,605,376.02-621,448.32

Finding the Fourth Proportional to 1,070,589.66, 1,605,376.02 and 621,448.32

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Solution

The fourth proportional to 1,070,589.66, 1,605,376.02 and 621,448.32 is: 931,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,589.66 : 1,605,376.02 = 621,448.32 : x
  2. Step 2: Convert to fraction form
    1,070,589.66/1,605,376.02 = 621,448.32/x
  3. Step 3: Cross multiply
    1,070,589.66x = 1,605,376.02 × 621,448.32
  4. Step 4: Simplify right side
    1,070,589.66x = 997,658,230,597.29
  5. Step 5: Solve for x
    x = 997,658,230,597.29/1,070,589.66
  6. Step 6: Final answer
    x = 931,877.33

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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.