Home / 1,207,218.80-1,810,828.20-365,812.40

Finding the Fourth Proportional to 1,207,218.80, 1,810,828.20 and 365,812.40

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Solution

The fourth proportional to 1,207,218.80, 1,810,828.20 and 365,812.40 is: 548,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,218.80 : 1,810,828.20 = 365,812.40 : x
  2. Step 2: Convert to fraction form
    1,207,218.80/1,810,828.20 = 365,812.40/x
  3. Step 3: Cross multiply
    1,207,218.80x = 1,810,828.20 × 365,812.40
  4. Step 4: Simplify right side
    1,207,218.80x = 662,423,409,829.68
  5. Step 5: Solve for x
    x = 662,423,409,829.68/1,207,218.80
  6. Step 6: Final answer
    x = 548,718.60

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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.