Home / 783,580.80-1,175,371.20-740,982.40

Finding the Fourth Proportional to 783,580.80, 1,175,371.20 and 740,982.40

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Solution

The fourth proportional to 783,580.80, 1,175,371.20 and 740,982.40 is: 1,111,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,580.80 : 1,175,371.20 = 740,982.40 : x
  2. Step 2: Convert to fraction form
    783,580.80/1,175,371.20 = 740,982.40/x
  3. Step 3: Cross multiply
    783,580.80x = 1,175,371.20 × 740,982.40
  4. Step 4: Simplify right side
    783,580.80x = 870,929,372,666.88
  5. Step 5: Solve for x
    x = 870,929,372,666.88/783,580.80
  6. Step 6: Final answer
    x = 1,111,473.60

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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.