Home / 1,137,713.40-1,708,538.40-740,116.80

Finding the Fourth Proportional to 1,137,713.40, 1,708,538.40 and 740,116.80

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Solution

The fourth proportional to 1,137,713.40, 1,708,538.40 and 740,116.80 is: 1,111,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,713.40 : 1,708,538.40 = 740,116.80 : x
  2. Step 2: Convert to fraction form
    1,137,713.40/1,708,538.40 = 740,116.80/x
  3. Step 3: Cross multiply
    1,137,713.40x = 1,708,538.40 × 740,116.80
  4. Step 4: Simplify right side
    1,137,713.40x = 1,264,517,973,285.12
  5. Step 5: Solve for x
    x = 1,264,517,973,285.12/1,137,713.40
  6. Step 6: Final answer
    x = 1,111,455.64

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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.