Home / 1,207,108.80-1,812,045.60-708,753.60

Finding the Fourth Proportional to 1,207,108.80, 1,812,045.60 and 708,753.60

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Solution

The fourth proportional to 1,207,108.80, 1,812,045.60 and 708,753.60 is: 1,063,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,108.80 : 1,812,045.60 = 708,753.60 : x
  2. Step 2: Convert to fraction form
    1,207,108.80/1,812,045.60 = 708,753.60/x
  3. Step 3: Cross multiply
    1,207,108.80x = 1,812,045.60 × 708,753.60
  4. Step 4: Simplify right side
    1,207,108.80x = 1,284,293,842,364.16
  5. Step 5: Solve for x
    x = 1,284,293,842,364.16/1,207,108.80
  6. Step 6: Final answer
    x = 1,063,942.08

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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.