Home / 1,235,195.60-1,852,879.80-487,144.40

Finding the Fourth Proportional to 1,235,195.60, 1,852,879.80 and 487,144.40

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Solution

The fourth proportional to 1,235,195.60, 1,852,879.80 and 487,144.40 is: 730,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,195.60 : 1,852,879.80 = 487,144.40 : x
  2. Step 2: Convert to fraction form
    1,235,195.60/1,852,879.80 = 487,144.40/x
  3. Step 3: Cross multiply
    1,235,195.60x = 1,852,879.80 × 487,144.40
  4. Step 4: Simplify right side
    1,235,195.60x = 902,620,018,443.12
  5. Step 5: Solve for x
    x = 902,620,018,443.12/1,235,195.60
  6. Step 6: Final answer
    x = 730,750.67

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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.