Home / 1,091,908.80-1,637,085.60-417,729.60

Finding the Fourth Proportional to 1,091,908.80, 1,637,085.60 and 417,729.60

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Solution

The fourth proportional to 1,091,908.80, 1,637,085.60 and 417,729.60 is: 626,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,908.80 : 1,637,085.60 = 417,729.60 : x
  2. Step 2: Convert to fraction form
    1,091,908.80/1,637,085.60 = 417,729.60/x
  3. Step 3: Cross multiply
    1,091,908.80x = 1,637,085.60 × 417,729.60
  4. Step 4: Simplify right side
    1,091,908.80x = 683,859,112,853.76
  5. Step 5: Solve for x
    x = 683,859,112,853.76/1,091,908.80
  6. Step 6: Final answer
    x = 626,296.91

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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.