Home / 1,107,192.80-1,661,566.80-708,802.40

Finding the Fourth Proportional to 1,107,192.80, 1,661,566.80 and 708,802.40

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Solution

The fourth proportional to 1,107,192.80, 1,661,566.80 and 708,802.40 is: 1,063,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,192.80 : 1,661,566.80 = 708,802.40 : x
  2. Step 2: Convert to fraction form
    1,107,192.80/1,661,566.80 = 708,802.40/x
  3. Step 3: Cross multiply
    1,107,192.80x = 1,661,566.80 × 708,802.40
  4. Step 4: Simplify right side
    1,107,192.80x = 1,177,722,535,600.32
  5. Step 5: Solve for x
    x = 1,177,722,535,600.32/1,107,192.80
  6. Step 6: Final answer
    x = 1,063,701.40

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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.