Home / 1,206,986.40-1,810,018.80-365,258.40

Finding the Fourth Proportional to 1,206,986.40, 1,810,018.80 and 365,258.40

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Solution

The fourth proportional to 1,206,986.40, 1,810,018.80 and 365,258.40 is: 547,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,986.40 : 1,810,018.80 = 365,258.40 : x
  2. Step 2: Convert to fraction form
    1,206,986.40/1,810,018.80 = 365,258.40/x
  3. Step 3: Cross multiply
    1,206,986.40x = 1,810,018.80 × 365,258.40
  4. Step 4: Simplify right side
    1,206,986.40x = 661,124,570,857.92
  5. Step 5: Solve for x
    x = 661,124,570,857.92/1,206,986.40
  6. Step 6: Final answer
    x = 547,748.15

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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.