Home / 1,090,730.74-1,505,270.52-655,281.28

Finding the Fourth Proportional to 1,090,730.74, 1,505,270.52 and 655,281.28

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Solution

The fourth proportional to 1,090,730.74, 1,505,270.52 and 655,281.28 is: 904,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,730.74 : 1,505,270.52 = 655,281.28 : x
  2. Step 2: Convert to fraction form
    1,090,730.74/1,505,270.52 = 655,281.28/x
  3. Step 3: Cross multiply
    1,090,730.74x = 1,505,270.52 × 655,281.28
  4. Step 4: Simplify right side
    1,090,730.74x = 986,375,593,091.87
  5. Step 5: Solve for x
    x = 986,375,593,091.87/1,090,730.74
  6. Step 6: Final answer
    x = 904,325.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.