Home / 1,128,106.90-1,692,677.09-488,606.23

Finding the Fourth Proportional to 1,128,106.90, 1,692,677.09 and 488,606.23

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Solution

The fourth proportional to 1,128,106.90, 1,692,677.09 and 488,606.23 is: 733,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,106.90 : 1,692,677.09 = 488,606.23 : x
  2. Step 2: Convert to fraction form
    1,128,106.90/1,692,677.09 = 488,606.23/x
  3. Step 3: Cross multiply
    1,128,106.90x = 1,692,677.09 × 488,606.23
  4. Step 4: Simplify right side
    1,128,106.90x = 827,052,571,552.27
  5. Step 5: Solve for x
    x = 827,052,571,552.27/1,128,106.90
  6. Step 6: Final answer
    x = 733,133.16

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1.5x scale

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.