Home / 1,207,208.80-1,810,813.20-365,802.40

Finding the Fourth Proportional to 1,207,208.80, 1,810,813.20 and 365,802.40

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Solution

The fourth proportional to 1,207,208.80, 1,810,813.20 and 365,802.40 is: 548,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,208.80 : 1,810,813.20 = 365,802.40 : x
  2. Step 2: Convert to fraction form
    1,207,208.80/1,810,813.20 = 365,802.40/x
  3. Step 3: Cross multiply
    1,207,208.80x = 1,810,813.20 × 365,802.40
  4. Step 4: Simplify right side
    1,207,208.80x = 662,399,814,511.68
  5. Step 5: Solve for x
    x = 662,399,814,511.68/1,207,208.80
  6. Step 6: Final answer
    x = 548,703.60

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Similar ratio
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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.