Home / 1,185,688.80-1,778,187.60-475,480.80

Finding the Fourth Proportional to 1,185,688.80, 1,778,187.60 and 475,480.80

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Solution

The fourth proportional to 1,185,688.80, 1,778,187.60 and 475,480.80 is: 713,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,688.80 : 1,778,187.60 = 475,480.80 : x
  2. Step 2: Convert to fraction form
    1,185,688.80/1,778,187.60 = 475,480.80/x
  3. Step 3: Cross multiply
    1,185,688.80x = 1,778,187.60 × 475,480.80
  4. Step 4: Simplify right side
    1,185,688.80x = 845,494,062,598.08
  5. Step 5: Solve for x
    x = 845,494,062,598.08/1,185,688.80
  6. Step 6: Final answer
    x = 713,082.61

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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.