Home / 993,918.40-1,489,346.70-740,007.70

Finding the Fourth Proportional to 993,918.40, 1,489,346.70 and 740,007.70

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Solution

The fourth proportional to 993,918.40, 1,489,346.70 and 740,007.70 is: 1,108,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,918.40 : 1,489,346.70 = 740,007.70 : x
  2. Step 2: Convert to fraction form
    993,918.40/1,489,346.70 = 740,007.70/x
  3. Step 3: Cross multiply
    993,918.40x = 1,489,346.70 × 740,007.70
  4. Step 4: Simplify right side
    993,918.40x = 1,102,128,025,969.59
  5. Step 5: Solve for x
    x = 1,102,128,025,969.59/993,918.40
  6. Step 6: Final answer
    x = 1,108,871.74

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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.